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Miko S, Calderwood L, Dale AP, King RF, Maurer MB, Said MA, Gebhardt M, Dyer LP, Maurer W, Wikswo ME, Mirza SA. Acute Gastroenteritis Outbreak Among Colorado River Rafters and Backpackers in the Grand Canyon, 2022. Wilderness Environ Med 2024; 35:173-182. [PMID: 38613339 PMCID: PMC11073894 DOI: 10.1177/10806032241245093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2024]
Abstract
INTRODUCTION From April 1 to May 31, 2022, Grand Canyon National Park received increased acute gastroenteritis reports. Pooled portable toilet specimens identified norovirus genogroups I and II. We sought to determine outbreak transmission contributors and individual risk factors while rafting or backpacking in the park. METHODS Grand Canyon rafters and backpackers were surveyed online from June 13-July 8, 2022, and a Cox proportional hazards model was used to identify predictors associated with illness and adjusted for potential confounding factors. RESULTS Among 762 surveys, 119 cases and 505 well persons submitted complete survey data. Illness among rafters was associated with interaction with ill persons during the trip (adjusted hazard ratio [adjHR] = 3.4 [95%CI 2.3-5.0]) and lack of any hand hygiene (1.2 [0.7-1.9]) or use of only sanitizer or water (1.6 [1.04-2.6]) before snacks. Younger rafters had higher illness rates compared to those ≥60 y (1.5 [1.2-1.8] for ages 40-59 and 2.2 [1.4-3.5] for ages <40 y). CONCLUSIONS Person-to-person transmission likely accounted for the widespread outbreak. Future outbreak mitigation efforts on river trips could focus on symptom screening before the trip starts, prompt separation of ill and well passengers, strict adherence to hand hygiene with soap and water, minimizing social interactions among rafting groups, and widespread outbreak notices and education to all park users.
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Affiliation(s)
- Shanna Miko
- Centers for Disease Control and Prevention, Atlanta, GA, USA
- Epidemic Intelligence Service, Atlanta, GA, USA
| | - Laura Calderwood
- Centers for Disease Control and Prevention, Atlanta, GA, USA
- Cherokee Nation Assurance, Atlanta, GA, USA
| | - Ariella P. Dale
- Epidemic Intelligence Service, Atlanta, GA, USA
- Arizona Department of Health Services, Phoenix, AZ, USA
- Maricopa County Department of Public Health, Maricopa, AZ, USA
| | - Ronan F. King
- National Park Service – Office of Public Health, Washington D.C., USA
| | | | - Maria A. Said
- National Park Service – Office of Public Health, Washington D.C., USA
| | - Marette Gebhardt
- Coconino County Health and Human Services, Coconino County, AZ, USA
| | | | - Wendy Maurer
- Coconino County Health and Human Services, Coconino County, AZ, USA
| | - Mary E. Wikswo
- Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Sara A. Mirza
- Centers for Disease Control and Prevention, Atlanta, GA, USA
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Lee BR, Harrison CJ, Hassan F, Sasidharan A, Moffatt ME, Weltmer K, Payne DC, Wikswo ME, Parashar U, Selvarangan R. A Comparison of Pathogen Detection and Risk Factors among Symptomatic Children with Gastroenteritis Compared with Asymptomatic Children in the Post-rotavirus Vaccine Era. J Pediatr 2023; 261:113551. [PMID: 37315778 DOI: 10.1016/j.jpeds.2023.113551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 05/25/2023] [Accepted: 06/06/2023] [Indexed: 06/16/2023]
Abstract
OBJECTIVE To describe demographics, pathogen distribution/seasonality, and risk factors in children seeking care for acute gastroenteritis (AGE) at a midwestern US emergency department during 5 postrotavirus vaccine years (2011-2016), and further, to compare the same data with matched healthy controls (HC). STUDY DESIGN AGE and HC participants <11 years old enrolled in the New Vaccine Surveillance Network study between December 2011 to June 2016 were included. AGE was defined as ≥3 diarrhea episodes or ≥1 vomiting episode. Each HC's age was similar to an AGE participant's age. Pathogens were analyzed for seasonality effects. Participant risk factors for AGE illness and pathogen detections were compared between HC and a matched subset of AGE cases. RESULTS One or more organisms was detected in 1159 of 2503 children (46.3%) with AGE compared with 99 of 537 HC (17.3%). Norovirus was detected most frequently among AGE (n = 568 [22.7%]) and second-most frequently in HC (n = 39 [6.8%]). Rotavirus was the second most frequently detected pathogen among AGE (n = 196 [7.8%]). Children with AGE were significantly more likely to have reported a sick contact compared with HC, both outside the home (15.6% vs 1.4%; P < .001) and inside the home (18.6% vs 2.1%; P < .001). Daycare attendance was higher among children with AGE (41.4%) compared with HC (29.5%; P < .001). The Clostridium difficile detection rate was slightly higher among HC (7.0%) than AGE (5.3%). CONCLUSIONS Norovirus was the most prevalent pathogen among children with AGE. Norovirus was detected in some HC, suggesting potential asymptomatic shedding among HC. The proportion of AGE participants with a sick contact was approximately 10 times greater than that of HC.
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Affiliation(s)
- Brian R Lee
- Children's Mercy Kansas City and University of Missouri Kansas City School of Medicine, Kansas City, MO.
| | - Christopher J Harrison
- Children's Mercy Kansas City and University of Missouri Kansas City School of Medicine, Kansas City, MO
| | - Ferdaus Hassan
- Children's Mercy Kansas City and University of Missouri Kansas City School of Medicine, Kansas City, MO
| | - Anjana Sasidharan
- Children's Mercy Kansas City and University of Missouri Kansas City School of Medicine, Kansas City, MO
| | - Mary E Moffatt
- Children's Mercy Kansas City and University of Missouri Kansas City School of Medicine, Kansas City, MO
| | - Kirsten Weltmer
- Children's Mercy Kansas City and University of Missouri Kansas City School of Medicine, Kansas City, MO
| | - Daniel C Payne
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA
| | - Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA
| | - Umesh Parashar
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA
| | - Rangaraj Selvarangan
- Children's Mercy Kansas City and University of Missouri Kansas City School of Medicine, Kansas City, MO
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Lappe BL, Wikswo ME, Kambhampati AK, Mirza SA, Tate JE, Kraay ANM, Lopman BA. Predicting norovirus and rotavirus resurgence in the United States following the COVID-19 pandemic: a mathematical modelling study. BMC Infect Dis 2023; 23:254. [PMID: 37081456 PMCID: PMC10117239 DOI: 10.1186/s12879-023-08224-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 04/04/2023] [Indexed: 04/22/2023] Open
Abstract
BACKGROUND To reduce the burden from the COVID-19 pandemic in the United States, federal and state local governments implemented restrictions such as limitations on gatherings, restaurant dining, and travel, and recommended non-pharmaceutical interventions including physical distancing, mask-wearing, surface disinfection, and increased hand hygiene. Resulting behavioral changes impacted other infectious diseases including enteropathogens such as norovirus and rotavirus, which had fairly regular seasonal patterns prior to the COVID-19 pandemic. The study objective was to project future incidence of norovirus and rotavirus gastroenteritis as contacts resumed and other NPIs are relaxed. METHODS We fitted compartmental mathematical models to pre-pandemic U.S. surveillance data (2012-2019) for norovirus and rotavirus using maximum likelihood estimation. Then, we projected incidence for 2022-2030 under scenarios where the number of contacts a person has per day varies from70%, 80%, 90%, and full resumption (100%) of pre-pandemic levels. RESULTS We found that the population susceptibility to both viruses increased between March 2020 and November 2021. The 70-90% contact resumption scenarios led to lower incidence than observed pre-pandemic for both viruses. However, we found a greater than two-fold increase in community incidence relative to the pre-pandemic period under the 100% contact scenarios for both viruses. With rotavirus, for which population immunity is driven partially by vaccination, patterns settled into a new steady state quickly in 2022 under the 70-90% scenarios. For norovirus, for which immunity is relatively short-lasting and only acquired through infection, surged under the 100% contact scenario projection. CONCLUSIONS These results, which quantify the consequences of population susceptibility build-up, can help public health agencies prepare for potential resurgence of enteric viruses.
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Affiliation(s)
- Brooke L Lappe
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, 1518 Clifton Rd, Atlanta, GA, 30322, USA.
| | - Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Anita K Kambhampati
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Sara A Mirza
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Jacqueline E Tate
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Alicia N M Kraay
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Champaign, IL, USA
| | - Ben A Lopman
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, 1518 Clifton Rd, Atlanta, GA, 30322, USA
- Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, GA, USA
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Kambhampati AK, Calderwood L, Wikswo ME, Barclay L, Mattison CP, Balachandran N, Vinjé J, Hall AJ, Mirza SA. Spatiotemporal Trends in Norovirus Outbreaks in the United States, 2009-2019. Clin Infect Dis 2023; 76:667-673. [PMID: 35913377 DOI: 10.1093/cid/ciac627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 07/18/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Globally, noroviruses cause infections year-round but have recognized winter seasonality in the Northern Hemisphere and yearly variations in incidence. With candidate norovirus vaccines in development, understanding temporal and geographic trends in norovirus disease is important to inform potential vaccination strategies and evaluate vaccine impact. METHODS We analyzed data from the National Outbreak Reporting System (NORS) and CaliciNet on single-state norovirus outbreaks that occurred during August 2009-July 2019 in the contiguous United States. We defined norovirus season onset and offset as the weeks by which 10% and 90% of norovirus outbreaks in a surveillance year occurred, respectively, and duration as the difference in weeks between onset and offset. We compared norovirus seasons across surveillance years and geographic regions. RESULTS During August 2009-July 2019, 24 995 single-state norovirus outbreaks were reported to NORS and/or CaliciNet. Nationally, the median norovirus season duration was 24 weeks, with onset occurring between October and December and offset occurring between April and May. Across all years combined, we observed a west-to-east trend in seasonality, with the earliest onset (October) and latest offset (May) occurring in western regions and the latest onset (December) and earliest offset (April) occurring in northeastern regions. CONCLUSIONS Timing and duration of the US norovirus season varied annually but generally occurred during October-May. Norovirus wintertime seasonality was less distinct in western regions and was progressively more pronounced moving east. Further understanding the drivers of spatiotemporal dynamics of norovirus could provide insights into factors that promote virus transmission and help guide future interventions.
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Affiliation(s)
- Anita K Kambhampati
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Laura Calderwood
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.,Cherokee Nation Assurance, Arlington, Virginia, USA
| | - Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Leslie Barclay
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Claire P Mattison
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.,Cherokee Nation Assurance, Arlington, Virginia, USA
| | - Neha Balachandran
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.,Cherokee Nation Assurance, Arlington, Virginia, USA
| | - Jan Vinjé
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Aron J Hall
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Sara A Mirza
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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5
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Mattison CP, Calderwood LE, Marsh ZA, Wikswo ME, Balachandran N, Kambhampati AK, Gleason ME, Lawinger H, Mirza SA. Childcare and School Acute Gastroenteritis Outbreaks: 2009-2020. Pediatrics 2022; 150:e2021056002. [PMID: 36278284 PMCID: PMC10061552 DOI: 10.1542/peds.2021-056002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/16/2022] [Indexed: 02/25/2023] Open
Abstract
OBJECTIVES Acute gastroenteritis (AGE) outbreaks commonly occur in congregate settings, including schools and childcare facilities. These outbreaks disrupt institutions, causing absences and temporary facility closures. This study analyzed the epidemiology of school and childcare AGE outbreaks in the United States. METHODS We analyzed AGE outbreaks occurring in kindergarten to grade 12 schools and childcare facilities reported via the National Outbreak Reporting System in the United States from 2009 to 2019 and compared this information to 2020 data. Outbreak and case characteristics were compared using the Kruskal-Wallis rank sum test, χ2 goodness-of-fit test, and Fisher exact test. RESULTS From 2009 to 2019, there were 2623 school, 1972 childcare, and 38 school and childcare outbreaks. School outbreaks were larger (median, 29 cases) than childcare outbreaks (median, 10 cases). Childcare outbreaks were longer (median, 15 days) than school outbreaks (median, 9 days). Norovirus (2383 outbreaks; 110 190 illnesses) and Shigella spp. (756 outbreaks; 9123 illnesses) were the most reported etiologies. Norovirus was the leading etiology in schools; norovirus and Shigella spp. were dominant etiologies in childcare centers. Most (85.7%) outbreaks were spread via person-to-person contact. In 2020, 123 outbreaks were reported, 85% in the first quarter. CONCLUSIONS Schools and childcare centers are common AGE outbreak settings in the United States. Most outbreaks were caused by norovirus and Shigella spp. and spread via person-to-person transmission. Fewer outbreaks were reported in 2020 from the COVID-19 pandemic. Prevention and control efforts should focus on interrupting transmission, including environmental disinfection, proper handwashing, safe diapering, and exclusion of ill persons.
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Affiliation(s)
- Claire P. Mattison
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases
- Cherokee Nation Assurance, Arlington, Virginia
| | - Laura E. Calderwood
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases
- Cherokee Nation Assurance, Arlington, Virginia
| | - Zachary A. Marsh
- Division of Foodborne, Waterborne, and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mary E. Wikswo
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases
| | - Neha Balachandran
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases
- Cherokee Nation Assurance, Arlington, Virginia
| | - Anita K. Kambhampati
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases
| | - Michelle E. Gleason
- Division of Foodborne, Waterborne, and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Hannah Lawinger
- Division of Foodborne, Waterborne, and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Sara A. Mirza
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases
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Kambhampati AK, Wikswo ME, Barclay L, Vinjé J, Mirza SA, Rei E, Sabina B, Beggs J, Riner DK, Cebelinski E, Saupe A, Bartling A, Loeck BK, Chase N, Houston J, Brandt E, Salehi E, DeBess E, Tsaknaridis L, Goodwin G, Mohamed H, Golwalkar M, Thomas L, Donnelly MK, Greene H, Davis T, Roberts L, Christensen R, Peterson M. Notes from the Field: Norovirus Outbreaks Reported Through NoroSTAT — 12 States, August 2012–July 2022. MMWR Morb Mortal Wkly Rep 2022; 71:1222-1224. [PMID: 36136940 PMCID: PMC9531565 DOI: 10.15585/mmwr.mm7138a3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Anita K. Kambhampati
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, CDC
| | - Mary E. Wikswo
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, CDC
| | - Leslie Barclay
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, CDC
| | - Jan Vinjé
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, CDC
| | - Sara A. Mirza
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, CDC
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Dale AP, Miko S, Calderwood LE, King RF, Maurer M, Dyer L, Gebhardt M, Maurer W, Crosby S, Wikswo ME, Said MA, Mirza SA. Outbreak of Acute Gastroenteritis Among Rafters and Backpackers in the Backcountry of Grand Canyon National Park, April–June 2022. MMWR Morb Mortal Wkly Rep 2022; 71:1207-1211. [PMID: 36136954 PMCID: PMC9531568 DOI: 10.15585/mmwr.mm7138a2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Amin AB, Lash TL, Tate JE, Waller LA, Wikswo ME, Parashar UD, Stewart LS, Chappell JD, Halasa NB, Williams JV, Michaels MG, Hickey RW, Klein EJ, Englund JA, Weinberg GA, Szilagyi PG, Staat MA, McNeal MM, Boom JA, Sahni LC, Selvarangan R, Harrison CJ, Moffatt ME, Schuster JE, Pahud BA, Weddle GM, Azimi PH, Johnston SH, Payne DC, Bowen MD, Lopman BA. Understanding Variation in Rotavirus Vaccine Effectiveness Estimates in the United States: The Role of Rotavirus Activity and Diagnostic Misclassification. Epidemiology 2022; 33:660-668. [PMID: 35583516 PMCID: PMC10100583 DOI: 10.1097/ede.0000000000001501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Estimates of rotavirus vaccine effectiveness (VE) in the United States appear higher in years with more rotavirus activity. We hypothesized rotavirus VE is constant over time but appears to vary as a function of temporal variation in local rotavirus cases and/or misclassified diagnoses. METHODS We analyzed 6 years of data from eight US surveillance sites on 8- to 59-month olds with acute gastroenteritis symptoms. Children's stool samples were tested via enzyme immunoassay (EIA); rotavirus-positive results were confirmed with molecular testing at the US Centers for Disease Control and Prevention. We defined rotavirus gastroenteritis cases by either positive on-site EIA results alone or positive EIA with Centers for Disease Control and Prevention confirmation. For each case definition, we estimated VE against any rotavirus gastroenteritis, moderate-to-severe disease, and hospitalization using two mixed-effect regression models: the first including year plus a year-vaccination interaction, and the second including the annual percent of rotavirus-positive tests plus a percent positive-vaccination interaction. We used multiple overimputation to bias-adjust for misclassification of cases defined by positive EIA alone. RESULTS Estimates of annual rotavirus VE against all outcomes fluctuated temporally, particularly when we defined cases by on-site EIA alone and used a year-vaccination interaction. Use of confirmatory testing to define cases reduced, but did not eliminate, fluctuations. Temporal fluctuations in VE estimates further attenuated when we used a percent positive-vaccination interaction. Fluctuations persisted until bias-adjustment for diagnostic misclassification. CONCLUSIONS Both controlling for time-varying rotavirus activity and bias-adjusting for diagnostic misclassification are critical for estimating the most valid annual rotavirus VE.
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Affiliation(s)
- Avnika B. Amin
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA
| | - Timothy L. Lash
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA
| | - Jacqueline E. Tate
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA
| | - Lance A. Waller
- Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, GA
| | - Mary E. Wikswo
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA
| | - Umesh D. Parashar
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA
| | - Laura S. Stewart
- Department of Pediatrics, Division of Infectious Diseases, Vanderbilt University Medical Center, Nashville, TN
| | - James D. Chappell
- Department of Pediatrics, Division of Infectious Diseases, Vanderbilt University Medical Center, Nashville, TN
| | - Natasha B. Halasa
- Department of Pediatrics, Division of Infectious Diseases, Vanderbilt University Medical Center, Nashville, TN
| | - John V. Williams
- Department of Pediatrics, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA
| | - Marian G. Michaels
- Department of Pediatrics, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA
| | - Robert W. Hickey
- Department of Pediatrics, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA
| | - Eileen J. Klein
- Department of Pediatrics, Seattle Children’s Research Institute, Seattle Children’s Hospital and the University of Washington, Seattle, WA
| | - Janet A. Englund
- Department of Pediatrics, Seattle Children’s Research Institute, Seattle Children’s Hospital and the University of Washington, Seattle, WA
| | | | - Peter G. Szilagyi
- University of Rochester School of Medicine and Dentistry, Rochester, NY
- University of California at Los Angeles, Los Angeles, CA
| | - Mary Allen Staat
- Department of Pediatrics, University of Cincinnati, Division of Infectious Diseases, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - Monica M. McNeal
- Department of Pediatrics, University of Cincinnati, Division of Infectious Diseases, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
| | - Julie A. Boom
- Department of Pediatrics, Baylor College of Medicine, Houston, TX
- Texas Children’s Hospital, Houston, TX
| | - Leila C. Sahni
- Department of Pediatrics, Baylor College of Medicine, Houston, TX
- Texas Children’s Hospital, Houston, TX
| | | | | | | | | | | | | | - Parvin H. Azimi
- University of California—San Francisco Benioff Children’s Hospital Oakland, Oakland, CA
| | - Samantha H. Johnston
- University of California—San Francisco Benioff Children’s Hospital Oakland, Oakland, CA
- Pediatric Infectious Diseases, Stanford University School of Medicine, Stanford, CA
| | - Daniel C. Payne
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA
| | - Michael D. Bowen
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA
| | - Benjamin A. Lopman
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA
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Aluko SK, Ishrati SS, Walker DC, Mattioli MC, Kahler AM, Vanden Esschert KL, Hervey K, Rokisky J, Wikswo ME, Laco JP, Kurlekar S, Byrne A, Molinari NA, Gleason ME, Steward C, Hlavsa MC, Neises D. Outbreaks of Acute Gastrointestinal Illness Associated with a Splash Pad in a Wildlife Park — Kansas, June 2021. MMWR Morb Mortal Wkly Rep 2022; 71:981-987. [PMID: 35925806 PMCID: PMC9368732 DOI: 10.15585/mmwr.mm7131a1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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10
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Calderwood LE, Wikswo ME, Mattison CP, Kambhampati AK, Balachandran N, Vinjé J, Barclay L, Hall AJ, Parashar U, Mirza SA. Norovirus Outbreaks in Long-term Care Facilities in the United States, 2009-2018: A Decade of Surveillance. Clin Infect Dis 2022; 74:113-119. [PMID: 34523674 PMCID: PMC8978331 DOI: 10.1093/cid/ciab808] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND In the United States, norovirus is the leading cause of healthcare-associated gastroenteritis outbreaks. To inform prevention efforts, we describe the epidemiology of norovirus outbreaks in long-term care facilities (LTCFs). METHODS The Centers for Disease Control and Prevention (CDC) collect epidemiologic and laboratory data on norovirus outbreaks from US health departments through the National Outbreak Reporting System (NORS) and CaliciNet. Reports from both systems were merged, and norovirus outbreaks in nursing homes, assisted living, and other LTCFs occurring in 2009-2018 were analyzed. Data from the Centers for Medicare and Medicaid Services and the National Center for Health Statistics were used to estimate state LTCF counts. RESULTS During 2009-2018, 50 states, Washington D.C., and Puerto Rico reported 13 092 norovirus outbreaks and 416 284 outbreak-associated cases in LTCFs. Participation in NORS and CaliciNet increased from 2009 to 2014 and median reporting of LTCF norovirus outbreaks stabilized at 4.1 outbreaks per 100 LTCFs (interquartile range [IQR]: 1.0-7.1) annually since 2014. Most outbreaks were spread via person-to-person transmission (90.4%), and 75% occurred during December-March. Genogroup was reported for 7292 outbreaks with 862 (11.8%) positive for GI and 6370 (87.3%) for GII. Among 4425 GII outbreaks with typing data, 3618 (81.8%) were GII.4. LTCF residents had higher attack rates than staff (median 29.0% vs 10.9%; P < .001). For every 1000 cases, there were 21.6 hospitalizations and 2.3 deaths. CONCLUSIONS LTCFs have a high burden of norovirus outbreaks. Most LTCF norovirus outbreaks occurred during winter months and were spread person-to-person. Outbreak surveillance can inform development of interventions for this vulnerable population, such as vaccines targeting GII.4 norovirus strains.
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Affiliation(s)
- Laura E. Calderwood
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA;,Cherokee Nation Assurance, Arlington, Virginia, USA
| | - Mary E. Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Claire P. Mattison
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA;,Cherokee Nation Assurance, Arlington, Virginia, USA
| | - Anita K. Kambhampati
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Neha Balachandran
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA;,Cherokee Nation Assurance, Arlington, Virginia, USA
| | - Jan Vinjé
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Leslie Barclay
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Aron J. Hall
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Umesh Parashar
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Sara A. Mirza
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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11
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Harrison CJ, Hassan F, Lee B, Boom J, Sahni LC, Johnson C, Dunn J, Payne DC, Wikswo ME, Parashar U, Selvarangan R. Multiplex PCR Pathogen Detection in Acute Gastroenteritis Among Hospitalized US Children Compared With Healthy Controls During 2011-2016 in the Post-Rotavirus Vaccine Era. Open Forum Infect Dis 2021; 8:ofab592. [PMID: 34988246 PMCID: PMC8694200 DOI: 10.1093/ofid/ofab592] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 11/18/2021] [Indexed: 12/02/2022] Open
Abstract
Background Despite vaccine-induced decreases in US rotavirus (RV) disease, acute gastroenteritis (AGE) remains relatively common. We evaluated AGE pathogen distribution in hospitalized US children in the post–RV vaccine era. Methods From December 2011 to June 2016, the New Vaccine Surveillance Network (NVSN) conducted prospective, active, population-based surveillance in hospitalized children with AGE. We tested stools from 2 NVSN sites (Kansas City, Houston) with Luminex x-TAG Gastrointestinal Pathogen Panels (Luminex GPP) and analyzed selected signs and symptoms. Results For 660 pediatric AGE inpatients and 624 age-matched healthy controls (HCs), overall organism detection was 51.2% and 20.6%, respectively (P < .001). Among AGE subjects, GPP polymerase chain reaction detected >1 virus in 39% and >1 bacterium in 14% of specimens. Detection frequencies for AGE subjects vs HCs were norovirus (NoV) 18.5% vs 6.6%, RV 16.1% vs 9.8%, adenovirus 7.7% vs 1.4%, Shigella 4.8% vs 1.0%, Salmonella 3.1% vs 0.1%, and Clostridioides difficile in ≥2-year-olds 4.4% vs 2.4%. More co-detections occurred among AGE patients (37/660, 5.6%) than HCs (14/624, 2.2%; P = .0024). Per logistic regression analysis, ill contacts increased risk for NoV, RV, and Shigella (P < .001). More vomiting episodes occurred with NoV and RV, and more diarrheal episodes with Shigella and Salmonella. Modified Vesikari scores were highest for Shigella and lowest for C. difficile. Conclusions NoV detection was most frequent; however, RV remained important in hospitalized AGE in the post–RV vaccine era. Continued active surveillance is important to document ongoing vaccine effects, pathogen emergence, and baseline disease burden for new vaccines.
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Affiliation(s)
- Christopher J Harrison
- Children's Mercy Kansas City and University of Missouri Kansas City-School of Medicine, Missouri, USA
| | - Ferdaus Hassan
- Children's Mercy Kansas City and University of Missouri Kansas City-School of Medicine, Missouri, USA
| | - Brian Lee
- Children's Mercy Kansas City and University of Missouri Kansas City-School of Medicine, Missouri, USA
| | - Julie Boom
- Texas Children's Hospital, Houston, Texas, USA
| | | | | | - James Dunn
- Texas Children's Hospital, Houston, Texas, USA
| | - Daniel C Payne
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Umesh Parashar
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Rangaraj Selvarangan
- Department of Pathology and Laboratory Medicine, Children's Mercy Kansas City and University of Missouri-Kansas City, School of Medicine, Kansas City, Missouri, USA
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12
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Haddadin Z, Batarseh E, Hamdan L, Stewart LS, Piya B, Rahman H, Spieker AJ, Chappell J, Wikswo ME, Dunn JR, Payne DC, Vinjé J, Hall AJ, Halasa N. Characteristics of GII.4 Norovirus Versus Other Genotypes in Sporadic Pediatric Infections in Davidson County, Tennessee, USA. Clin Infect Dis 2021; 73:e1525-e1531. [PMID: 32667045 PMCID: PMC8492161 DOI: 10.1093/cid/ciaa1001] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 07/10/2020] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Norovirus is a leading cause of epidemic acute gastroenteritis (AGE), with most outbreaks occurring during winter. The majority of outbreaks are caused by GII.4 noroviruses; however, data to support whether this is true for sporadic medically attended AGE are limited. Therefore, we sought to compare the clinical characteristics and seasonality of GII.4 vs non-GII.4 viruses. METHODS Children aged 15 days -17 years with AGE symptoms were recruited from the outpatient, emergency department, and inpatient settings at Vanderbilt Children's Hospital, Davidson County, Nashville, Tennessee, from December 2012 -November 2015. Stool specimens were tested using qRT-PCR for GI and GII noroviruses and subsequently genotyped by sequencing a partial region of the capsid gene. RESULTS A total of 3705 patients were enrolled, and stool specimens were collected and tested from 2885 (78%) enrollees. Overall, 636 (22%) samples were norovirus-positive, of which 567 (89%) were GII. Of the 460 (81%) genotyped GII-positive samples, 233 (51%) were typed as GII.4 and 227 (49%) as non-GII.4. Compared with children with non-GII.4 infections, children with GII.4 infections were younger, more likely to have diarrhea, and more likely to receive oral rehydration fluids. Norovirus was detected year-round and peaked during winter. CONCLUSIONS Approximately 40% of sporadic pediatric norovirus AGE cases were caused by GII.4 norovirus. Children infected with GII.4 had more severe symptoms that required more medical care. Seasonal variations were noticed among different genotypes. These data highlight the importance of continuous norovirus surveillance and provide important information on which strains pediatric norovirus vaccines should protect against.
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Affiliation(s)
- Zaid Haddadin
- Department of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Einas Batarseh
- Department of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Lubna Hamdan
- Department of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Laura S Stewart
- Department of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Bhinnata Piya
- Department of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Herdi Rahman
- Department of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Andrew J Spieker
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - James Chappell
- Department of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Mary E Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - John R Dunn
- Tennessee Department of Health, Nashville, Tennessee, USA
| | - Daniel C Payne
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Jan Vinjé
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Aron J Hall
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Natasha Halasa
- Department of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, USA
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13
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Wikswo ME, Roberts V, Marsh Z, Manikonda K, Gleason B, Kambhampati A, Mattison C, Calderwood L, Balachandran N, Cardemil C, Hall AJ. Enteric illness outbreaks reported through the National Outbreak Reporting System, United States, 2009-19. Clin Infect Dis 2021; 74:1906-1913. [PMID: 34498027 DOI: 10.1093/cid/ciab771] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND The National Outbreak Reporting System (NORS) captures data on foodborne, waterborne, and enteric illness outbreaks in the United States. The aim of this study is to describe enteric illness outbreaks reported during 11 years of surveillance. METHODS We extracted finalized reports from NORS for outbreaks occurring during 2009-2019. Outbreaks were included if they were caused by an enteric etiology or if any patients reported diarrhea, vomiting, bloody stools, or unspecified acute gastroenteritis. RESULTS A total of 38,395 outbreaks met inclusion criteria, increasing from 1,932 in 2009 to 3,889 in 2019. Outbreaks were most commonly transmitted through person-to-person contact (n=23,812, 62%) and contaminated food (n=9,234, 24%). Norovirus was the most commonly reported etiology, reported in 22,820 (59%) outbreaks, followed by Salmonella (n=2,449, 6%) and Shigella (n=1,171, 3%). Norovirus outbreaks were significantly larger, with a median of 22 illnesses per outbreak, than outbreaks caused by the other most common outbreak etiologies (p<0.0001, all comparisons). Hospitalization rates were higher in outbreaks caused by Salmonella and E. coli outbreaks (20.9% and 22.8%, respectively) than those caused by norovirus (2%). The case fatality rate was highest in E. coli outbreaks (0.5%) and lowest in Shigella and Campylobacter outbreaks (0.02%). CONCLUSIONS Norovirus caused the most outbreaks and outbreak-associated illness, hospitalizations, and deaths. However, persons in E. coli and Salmonella outbreaks were more likely to be hospitalized or die. Outbreak surveillance through NORS provides the relative contributions of each mode of transmission and etiology for reported enteric illness outbreaks, which can guide targeted interventions.
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Affiliation(s)
- Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Virginia Roberts
- Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Zachary Marsh
- Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Karunya Manikonda
- Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Brigette Gleason
- Division of Foodborne, Waterborne, and Environmental Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Anita Kambhampati
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States.,Cherokee Nation Assurance, Arlington, VA, United States
| | - Claire Mattison
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States.,Oak Ridge Institute for Science and Education, Oak Ridge, TN, United States
| | - Laura Calderwood
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States.,Oak Ridge Institute for Science and Education, Oak Ridge, TN, United States
| | - Neha Balachandran
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States.,Oak Ridge Institute for Science and Education, Oak Ridge, TN, United States
| | - Cristina Cardemil
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Aron J Hall
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
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14
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Kraay ANM, Han P, Kambhampati AK, Wikswo ME, Mirza SA, Lopman BA. Impact of Nonpharmaceutical Interventions for Severe Acute Respiratory Syndrome Coronavirus 2 on Norovirus Outbreaks: An Analysis of Outbreaks Reported By 9 US States. J Infect Dis 2021; 224:9-13. [PMID: 33606027 PMCID: PMC7928764 DOI: 10.1093/infdis/jiab093] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 02/09/2021] [Indexed: 01/17/2023] Open
Abstract
In April 2020, the incidence of norovirus outbreaks reported to the National Outbreak Reporting System (NORS) dramatically declined. We used regression models to determine if this decline was best explained by underreporting, seasonal trends, or reduced exposure due to non-pharmaceutical interventions (NPIs) implemented for SARS-CoV-2 using data from 9 states from July 2012–July 2020. The decline in norovirus outbreaks was significant for all 9 states and underreporting or seasonality are unlikely to be the primary explanations for these findings. These patterns were similar across a variety of settings. NPIs appear to have reduced incidence of norovirus, a non-respiratory pathogen.
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Affiliation(s)
- Alicia N M Kraay
- Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Peichun Han
- Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Anita K Kambhampati
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Sara A Mirza
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Benjamin A Lopman
- Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
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15
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Kraay ANM, Han P, Kambhampati AK, Wikswo ME, Mirza SA, Lopman BA. Impact of Nonpharmaceutical Interventions for Severe Acute Respiratory Syndrome Coronavirus 2 on Norovirus Outbreaks: An Analysis of Outbreaks Reported By 9 US States. J Infect Dis 2021; 224:9-13. [PMID: 33606027 DOI: 10.1101/2020.11.25.20237115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 02/09/2021] [Indexed: 05/26/2023] Open
Abstract
In April 2020, the incidence of norovirus outbreaks reported to the National Outbreak Reporting System dramatically declined. We used regression models to determine if this decline was best explained by underreporting, seasonal trends, or reduced exposure due to nonpharmaceutical interventions (NPIs) implemented for severe acute respiratory syndrome coronavirus 2 using data from 9 states from July 2012 to July 2020. The decline in norovirus outbreaks was significant for all 9 states, and underreporting and/or seasonality are unlikely to be the primary explanation for these findings. These patterns were similar across a variety of settings. NPIs appear to have reduced incidence of norovirus, a nonrespiratory pathogen.
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Affiliation(s)
- Alicia N M Kraay
- Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Peichun Han
- Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Anita K Kambhampati
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Sara A Mirza
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Benjamin A Lopman
- Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
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16
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Mattison CP, Dunn M, Wikswo ME, Kambhampati A, Calderwood L, Balachandran N, Burnett E, Hall AJ. Non-Norovirus Viral Gastroenteritis Outbreaks Reported to the National Outbreak Reporting System, USA, 2009-2018. Emerg Infect Dis 2021; 27:560-564. [PMID: 33496216 PMCID: PMC7853577 DOI: 10.3201/eid2702.203943] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
During 2009–2018, four adenovirus, 10 astrovirus, 123 rotavirus, and 107 sapovirus gastroenteritis outbreaks were reported to the US National Outbreak Reporting System (annual median 30 outbreaks). Most were attributable to person-to-person transmission in long-term care facilities, daycares, and schools. Investigations of norovirus-negative gastroenteritis outbreaks should include testing for these viruses.
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17
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Steele MK, Wikswo ME, Hall AJ, Koelle K, Handel A, Levy K, Waller LA, Lopman BA. Characterizing Norovirus Transmission from Outbreak Data, United States. Emerg Infect Dis 2021; 26:1818-1825. [PMID: 32687043 PMCID: PMC7392428 DOI: 10.3201/eid2608.191537] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Norovirus is the leading cause of acute gastroenteritis outbreaks in the United States. We estimated the basic (R0) and effective (Re) reproduction numbers for 7,094 norovirus outbreaks reported to the National Outbreak Reporting System (NORS) during 2009–2017 and used regression models to assess whether transmission varied by outbreak setting. The median R0 was 2.75 (interquartile range [IQR] 2.38–3.65), and median Re was 1.29 (IQR 1.12–1.74). Long-term care and assisted living facilities had an R0 of 3.35 (95% CI 3.26–3.45), but R0 did not differ substantially for outbreaks in other settings, except for outbreaks in schools, colleges, and universities, which had an R0 of 2.92 (95% CI 2.82–3.03). Seasonally, R0 was lowest (3.11 [95% CI 2.97–3.25]) in summer and peaked in fall and winter. Overall, we saw little variability in transmission across different outbreaks settings in the United States.
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18
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Esona MD, Ward ML, Wikswo ME, Rustempasic SM, Gautam R, Perkins C, Selvarangan R, Harrison CJ, Boom JA, Englund JA, Klein EJ, Staat MA, McNeal MM, Halasa N, Chappell J, Weinberg GA, Payne DC, Parashar UD, Bowen MD. Rotavirus Genotype Trends and Gastrointestinal Pathogen Detection in the United States, 2014-16: Results from the New Vaccine Surveillance Network. J Infect Dis 2021; 224:1539-1549. [PMID: 33822119 DOI: 10.1093/infdis/jiab177] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 03/30/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Following the implementation of rotavirus vaccination in 2006, severe acute gastroenteritis (AGE) due to group A rotavirus (RVA) has substantially declined in USA (US) children. We report the RVA genotype prevalence as well as co-infection data from seven US New Vaccine Surveillance Network (NVSN) sites during three consecutive RVA seasons, 2014-2016. METHODS A total of 1041 stool samples that tested positive for RVA by Rotaclone enzyme immunoassay (EIA) were submitted to the Centers for Disease Control and Prevention (CDC) for RVA genotyping and multipathogen testing. RESULTS A total of 795 (76%) contained detectable RVA at CDC. Rotavirus disease was highest in children < 3 years of age. Four G types (G1, G2, G9, and G12) accounted for 94.6% of strains while two P types (P[4] and P[8]) accounted 94.7% of the strains. Overall, G12P[8] was the most common genotype detected in all three seasons. Stepwise conditional logistic analysis found year and study site were significant predictors of genotype. Twenty four percent (24%) of RVA-positive specimens contained other AGE pathogens. CONCLUSIONS G12P[8] predominated over three seasons, but strain predominance varied by year and study site. Ongoing surveillance provides continuous tracking and monitoring of US genotypes during the post vaccine era.
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Affiliation(s)
- Mathew D Esona
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States
| | - M Leanne Ward
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States
| | - Mary E Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States
| | | | - Rashi Gautam
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States
| | - Charity Perkins
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States
| | - Rangaraj Selvarangan
- Kansas City Children's Mercy Hospitals and Clinics, Kansas City, Kansas, United States
| | | | - Julie A Boom
- Texas Children's Hospital, Houston, Texas, United States
| | - Janet A Englund
- Seattle Children's Hospital, Seattle, Washington, United States
| | - Eileen J Klein
- Seattle Children's Hospital, Seattle, Washington, United States
| | - Mary Allen Staat
- Department of Pediatrics, University of Cincinnati, Division of Infectious Diseases, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States
| | - Monica M McNeal
- Department of Pediatrics, University of Cincinnati, Division of Infectious Diseases, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States
| | - Natasha Halasa
- Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - James Chappell
- Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Geoffrey A Weinberg
- University of Rochester School of Medicine and Dentistry, Rochester, New York, United States
| | - Daniel C Payne
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States
| | - Umesh D Parashar
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States
| | - Michael D Bowen
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States
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19
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Halasa N, Piya B, Stewart LS, Rahman H, Payne DC, Woron A, Thomas L, Constantine-Renna L, Garman K, McHenry R, Chappell J, Spieker AJ, Fonnesbeck C, Batarseh E, Hamdan L, Wikswo ME, Parashar U, Bowen MD, Vinjé J, Hall AJ, Dunn JR. The Changing Landscape of Pediatric Viral Enteropathogens in the Post-Rotavirus Vaccine Era. Clin Infect Dis 2021; 72:576-585. [PMID: 32009161 PMCID: PMC7884803 DOI: 10.1093/cid/ciaa100] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 01/31/2020] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Acute gastroenteritis (AGE) is a common reason for children to receive medical care. However, the viral etiology of AGE illness is not well described in the post-rotavirus vaccine era, particularly in the outpatient (OP) setting. METHODS Between 2012 and 2015, children 15 days through 17 years old presenting to Vanderbilt Children's Hospital, Nashville, Tennessee, with AGE were enrolled prospectively from the inpatient, emergency department, and OP settings, and stool specimens were collected. Healthy controls (HCs) were enrolled and frequency matched for period, age group, race, and ethnicity. Stool specimens were tested by means of reverse-transcription real-time quantitative polymerase chain reaction for norovirus, sapovirus, and astrovirus RNA and by Rotaclone enzyme immunoassay for rotavirus antigen, followed by polymerase chain reaction verification of antigen detection. RESULTS A total of 3705 AGE case patients and 1563 HCs were enrolled, among whom 2885 case patients (78%) and 1110 HCs (71%) provided stool specimens that were tested. All 4 viruses were more frequently detected in AGE case patients than in HCs (norovirus, 22% vs 8%, respectively; rotavirus, 10% vs 1%; sapovirus, 10% vs 5%; and astrovirus, 5% vs 2%; P < .001 for each virus). In the OP setting, rates of AGE due to norovirus were higher than rate for the other 3 viruses. Children <5 years old had higher OP AGE rates than older children for all viruses. CONCLUSIONS Norovirus remains the most common virus detected in all settings, occurring nearly twice as frequently as the next most common pathogens, sapovirus and rotavirus. Combined, norovirus, sapovirus, rotavirus, and astrovirus were associated with almost half of all AGE visits and therefore are an important reason for children to receive medical care.
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Affiliation(s)
- Natasha Halasa
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Bhinnata Piya
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Laura S Stewart
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Herdi Rahman
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Daniel C Payne
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Amy Woron
- Communicable and Environmental Diseases and Emergency Preparedness, Tennessee Department of Health, Nashville, Tennessee, USA
| | - Linda Thomas
- Communicable and Environmental Diseases and Emergency Preparedness, Tennessee Department of Health, Nashville, Tennessee, USA
| | - Lisha Constantine-Renna
- Communicable and Environmental Diseases and Emergency Preparedness, Tennessee Department of Health, Nashville, Tennessee, USA
| | - Katie Garman
- Communicable and Environmental Diseases and Emergency Preparedness, Tennessee Department of Health, Nashville, Tennessee, USA
| | - Rendie McHenry
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - James Chappell
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Andrew J Spieker
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Christopher Fonnesbeck
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Einas Batarseh
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Lubna Hamdan
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Mary E Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Umesh Parashar
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Michael D Bowen
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Jan Vinjé
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Aron J Hall
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - John R Dunn
- Communicable and Environmental Diseases and Emergency Preparedness, Tennessee Department of Health, Nashville, Tennessee, USA
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20
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Esona MD, Gautam R, Katz E, Jaime J, Ward ML, Wikswo ME, Betrapally NS, Rustempasic SM, Selvarangan R, Harrison CJ, Boom JA, Englund J, Klein EJ, Staat MA, McNeal MM, Halasa N, Chappell J, Weinberg GA, Payne DC, Parashar UD, Bowen MD. Comparative genomic analysis of genogroup 1 and genogroup 2 rotaviruses circulating in seven US cities, 2014-2016. Virus Evol 2021; 7:veab023. [PMID: 34522389 PMCID: PMC8432945 DOI: 10.1093/ve/veab023] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
For over a decade, the New Vaccine Surveillance Network (NVSN) has conducted active rotavirus (RVA) strain surveillance in the USA. The evolution of RVA in the post-vaccine introduction era and the possible effects of vaccine pressure on contemporary circulating strains in the USA are still under investigation. Here, we report the whole-gene characterization (eleven ORFs) for 157 RVA strains collected at seven NVSN sites during the 2014 through 2016 seasons. The sequenced strains included 52 G1P[8], 47 G12P[8], 18 G9P[8], 24 G2P[4], 5 G3P[6], as well as 7 vaccine strains, a single mixed strain (G9G12P[8]), and 3 less common strains. The majority of the single and mixed strains possessed a Wa-like backbone with consensus genotype constellation of G1/G3/G9/G12-P[8]-I1-R1-C1-M1-A1-N1-T1-E1-H1, while the G2P[4], G3P[6], and G2P[8] strains displayed a DS-1-like genetic backbone with consensus constellation of G2/G3-P[4]/P[6]/P[8]-I2-R2-C2-M2-A2-N2-T2-E2-H2. Two intergenogroup reassortant G1P[8] strains were detected that appear to be progenies of reassortment events between Wa-like G1P[8] and DS-1-like G2P[4] strains. Two Rotarix® vaccine (RV1) and two RV5 derived (vd) reassortant strains were detected. Phylogenetic and similarity matrices analysis revealed 2-11 sub-genotypic allelic clusters among the genes of Wa- and DS-1-like strains. Most study strains clustered into previously defined alleles. Amino acid (AA) substitutions occurring in the neutralization epitopes of the VP7 and VP4 proteins characterized in this study were mostly neutral in nature, suggesting that these RVA proteins were possibly under strong negative or purifying selection in order to maintain competent and actual functionality, but fourteen radical (AA changes that occur between groups) AA substitutions were noted that may allow RVA strains to gain a selective advantage through immune escape. The tracking of RVA strains at the sub-genotypic allele constellation level will enhance our understanding of RVA evolution under vaccine pressure, help identify possible mechanisms of immune escape, and provide valuable information for formulation of future RVA vaccines.
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Affiliation(s)
- Mathew D Esona
- Division of Viral Diseases, Centers for Disease Control and Prevention, Viral Gastroenteritis Branch, Atlanta, GA, USA
- Corresponding author: E-mail:
| | - Rashi Gautam
- Division of Viral Diseases, Centers for Disease Control and Prevention, Viral Gastroenteritis Branch, Atlanta, GA, USA
| | - Eric Katz
- Cherokee Nation Assurance, Contracting Agency to the Division of Viral Diseases, Centers for Disease Control and Prevention, Arlington, VA, USA
| | - Jose Jaime
- Division of Viral Diseases, Centers for Disease Control and Prevention, Viral Gastroenteritis Branch, Atlanta, GA, USA
| | - M Leanne Ward
- Division of Viral Diseases, Centers for Disease Control and Prevention, Viral Gastroenteritis Branch, Atlanta, GA, USA
| | - Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Viral Gastroenteritis Branch, Atlanta, GA, USA
| | - Naga S Betrapally
- Division of Viral Diseases, Centers for Disease Control and Prevention, Viral Gastroenteritis Branch, Atlanta, GA, USA
| | - Slavica M Rustempasic
- Division of Viral Diseases, Centers for Disease Control and Prevention, Viral Gastroenteritis Branch, Atlanta, GA, USA
| | | | | | | | - Jan Englund
- Seattle Children’s Hospital, Seattle, WA, USA
| | | | - Mary Allen Staat
- Division of Infectious Diseases, Department of Pediatrics, University of Cincinnati, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Monica M McNeal
- Division of Infectious Diseases, Department of Pediatrics, University of Cincinnati, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Natasha Halasa
- Vanderbilt University Medical Center, Nashville, TN, USA
| | - James Chappell
- Vanderbilt University Medical Center, Nashville, TN, USA
| | - Geoffrey A Weinberg
- University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
| | - Daniel C Payne
- Division of Viral Diseases, Centers for Disease Control and Prevention, Viral Gastroenteritis Branch, Atlanta, GA, USA
| | - Umesh D Parashar
- Division of Viral Diseases, Centers for Disease Control and Prevention, Viral Gastroenteritis Branch, Atlanta, GA, USA
| | - Michael D Bowen
- Division of Viral Diseases, Centers for Disease Control and Prevention, Viral Gastroenteritis Branch, Atlanta, GA, USA
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21
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Schuster JE, Johnston SH, Piya B, Dulek DE, Wikswo ME, McHenry R, Browne H, Gautam R, Bowen MD, Vinjé J, Payne DC, Azimi P, Selvarangan R, Halasa N, Englund JA. Infectious Causes of Acute Gastroenteritis in US Children Undergoing Allogeneic Hematopoietic Cell Transplant: A Longitudinal, Multicenter Study. J Pediatric Infect Dis Soc 2020; 9:421-427. [PMID: 31550350 DOI: 10.1093/jpids/piz063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 08/08/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND Acute gastroenteritis (AGE) in hematopoietic cell transplant (HCT) patients causes significant morbidity and mortality. Data regarding the longitudinal assessment of infectious pathogens during symptomatic AGE and asymptomatic periods, particularly in children, are limited. We investigated the prevalence of AGE-associated infectious pathogens in children undergoing allogeneic HCT. METHODS From March 2015 through May 2016, 31 pediatric patients at 4 US children's hospitals were enrolled and had stool collected weekly from pre-HCT through 100 days post-HCT for infectious AGE pathogens by molecular testing. Demographics, clinical symptoms, antimicrobials, vaccination history, and outcomes were manually abstracted from the medical record into a standardized case report form. RESULTS We identified a pathogen in 18% (38/206) of samples, with many detections occurring during asymptomatic periods. Clostridioides difficile was the most commonly detected pathogen in 39% (15/38) of positive specimens, although only 20% (3/15) of C. difficile-positive specimens were obtained from children with diarrhea. Detection of sapovirus, in 21% (8/38) of pathogen-positive specimens, was commonly associated with AGE, with 87.5% of specimens obtained during symptomatic periods. Norovirus was not detected, and rotavirus was detected infrequently. Prolonged shedding of infectious pathogens was rare. CONCLUSIONS This multicenter, prospective, longitudinal study suggests that the epidemiology of AGE pathogens identified from allogeneic HCT patients may be changing. Previously reported viruses, such as rotavirus and norovirus, may be less common due to widespread vaccination and institution of infection control precautions, and emerging viruses such as sapoviruses may be increasingly recognized due to the use of molecular diagnostics.
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Affiliation(s)
| | - Samantha H Johnston
- Department of Pediatrics, University of California San Francisco Benioff Children's Hospital Oakland, Nashville, Tennessee
| | - Bhinnata Piya
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Daniel E Dulek
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Rendie McHenry
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Hannah Browne
- Oak Ridge Institute for Science and Education, Tennessee
| | - Rashi Gautam
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Michael D Bowen
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Jan Vinjé
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Daniel C Payne
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Parvin Azimi
- Department of Pediatrics, University of California San Francisco Benioff Children's Hospital Oakland, Nashville, Tennessee
| | - Rangaraj Selvarangan
- Department of Pathology and Laboratory Medicine, Children's Mercy Kansas City, Missouri
| | - Natasha Halasa
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Janet A Englund
- Department of Pediatrics, Seattle Children's Hospital, Washington
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22
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Vanden Esschert KL, Mattioli MC, Hilborn ED, Roberts VA, Yu AT, Lamba K, Arzaga G, Zahn M, Marsh Z, Combes SM, Smith ES, Robinson TJ, Gretsch SR, Laco JP, Wikswo ME, Miller AD, Tack DM, Wade TJ, Hlavsa MC. Outbreaks Associated with Untreated Recreational Water - California, Maine, and Minnesota, 2018-2019. MMWR Morb Mortal Wkly Rep 2020; 69:781-783. [PMID: 32584799 PMCID: PMC7316318 DOI: 10.15585/mmwr.mm6925a3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Outbreaks associated with fresh or marine (i.e., untreated) recreational water can be caused by pathogens or chemicals, including toxins. Voluntary reporting of these outbreaks to CDC's National Outbreak Reporting System (NORS) began in 2009. NORS data for 2009-2017 are finalized, and data for 2018-2019 are provisional. During 2009-2019 (as of May 13, 2020), public health officials from 31 states voluntarily reported 119 untreated recreational water-associated outbreaks, resulting at least 5,240 cases; 103 of the outbreaks (87%) started during June-August. Among the 119 outbreaks, 88 (74%) had confirmed etiologies. The leading etiologies were enteric pathogens: norovirus (19 [22%] outbreaks; 1,858 cases); Shiga toxin-producing Escherichia coli (STEC) (19 [22%]; 240), Cryptosporidium (17 [19%]; 237), and Shigella (14 [16%]; 713). This report highlights three examples of outbreaks that occurred during 2018-2019, were caused by leading etiologies (Shigella, norovirus, or STEC), and demonstrate the wide geographic distribution of such outbreaks across the United States. Detection and investigation of untreated recreational water-associated outbreaks are challenging, and the sources of these outbreaks often are not identified. Tools for controlling and preventing transmission of enteric pathogens through untreated recreational water include epidemiologic investigations, regular monitoring of water quality (i.e., testing for fecal indicator bacteria), microbial source tracking, and health policy and communications (e.g., observing beach closure signs and not swimming while ill with diarrhea).
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23
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Rha B, Lively JY, Englund JA, Staat MA, Weinberg GA, Selvarangan R, Halasa NB, Williams JV, Boom JA, Sahni LC, Michaels MG, Stewart LS, Harrison CJ, Szilagyi PG, McNeal MM, Klein EJ, Strelitz B, Lacombe K, Schlaudecker E, Moffatt ME, Schuster JE, Pahud BA, Weddle G, Hickey RW, Avadhanula V, Wikswo ME, Hall AJ, Curns AT, Gerber SI, Langley G. Severe Acute Respiratory Syndrome Coronavirus 2 Infections in Children: Multicenter Surveillance, United States, January-March 2020. J Pediatric Infect Dis Soc 2020; 9:609-612. [PMID: 32556327 PMCID: PMC7337823 DOI: 10.1093/jpids/piaa075] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 06/15/2020] [Indexed: 12/30/2022]
Abstract
Previous reports of coronavirus disease 2019 among children in the United States have been based on health jurisdiction reporting. We performed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) testing on children enrolled in active, prospective, multicenter surveillance during January-March 2020. Among 3187 children, only 4 (0.1%) SARS-CoV-2-positive cases were identified March 20-31 despite evidence of rising community circulation.
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Affiliation(s)
- Brian Rha
- CDC COVID-19 Response Team,Corresponding author: Brian Rha, MD, MSPH, for the CDC COVID-19 Response Team, [], 404-639-3972
| | - Joana Y Lively
- CDC COVID-19 Response Team,IHRC Inc., contracting agency to the Division of Viral Diseases, Atlanta, Georgia
| | | | - Mary A Staat
- Department of Pediatrics, University of Cincinnati, Division of Infectious Diseases, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Geoffrey A Weinberg
- University of Rochester School of Medicine and Dentistry, Rochester, New York
| | | | | | - John V Williams
- UPMC Children's Hospital of Pittsburgh, UPSOM, Pittsburgh, Pennsylvania
| | - Julie A Boom
- Texas Children's Hospital, Houston, Texas,Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Leila C Sahni
- Texas Children's Hospital, Houston, Texas,Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Marian G Michaels
- UPMC Children's Hospital of Pittsburgh, UPSOM, Pittsburgh, Pennsylvania
| | | | | | - Peter G Szilagyi
- Department of Pediatrics, UCLA Mattel Children's Hospital, University of California at Los Angeles, Los Angeles, CA
| | - Monica M McNeal
- Department of Pediatrics, University of Cincinnati, Division of Infectious Diseases, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | | | | | | | - Elizabeth Schlaudecker
- Department of Pediatrics, University of Cincinnati, Division of Infectious Diseases, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | | | | | | | - Gina Weddle
- UMKC-SOM, Children's Mercy, Kansas City, Missouri
| | - Robert W Hickey
- UPMC Children's Hospital of Pittsburgh, UPSOM, Pittsburgh, Pennsylvania
| | - Vasanthi Avadhanula
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas
| | | | | | | | | | - Gayle Langley
- CDC COVID-19 Response Team,Alternate corresponding author: Gayle Langley, MD, MPH, for the CDC COVID-19 Response Team, [], 404.639.8092
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24
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Pahud BA, Hassan F, Harrison CJ, Halasa NB, Chappell JD, Englund JA, Klein EJ, Szilagyi PG, Weinberg GA, Sherman AK, Polage C, Wikswo ME, McDonald LC, Payne DC, Selvarangan R. Detection of Clostridioides difficile by Real-time PCR in Young Children Does Not Predict Disease. Hosp Pediatr 2020; 10:555-562. [PMID: 32482733 DOI: 10.1542/hpeds.2020-0012] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
OBJECTIVES Diagnosing Clostridioides difficile infections in young children with high asymptomatic colonization is challenging. We compared the frequency of C difficile detection by polymerase chain reaction (PCR) in healthy control (HC) children with those with acute gastroenteritis (AGE) and evaluated fecal-lactoferrin and organism load as possible indicators of true C difficile infection disease. METHODS Stool was collected from children <2 years old with AGE and from HCs. C difficile was detected by real-time PCR, and lactoferrin was measured by enzyme-linked immunosorbent assay. Clinical data were obtained via interviews and chart review. Mann-Whitney U test and χ2 tests were used for group comparisons. RESULTS Of 524 stools collected from 524 children (250 with AGE, 274 HCs), C difficile was detected less in children with AGE (14%, 36 of 250) than in HCs (28%, 76 of 274) stools (P < .0001). Among infants <1 year old (n = 297), C difficile was detected in 18% of children with AGE versus 32% of HCs (P < .005), and among children 1 to 2 years old (n = 227), C difficile was detected in 10% of children with AGE versus 21% of HCs (P < .02). There was no significant difference in C difficile PCR cycle threshold values between children with AGE and HCs or lactoferrin levels in C difficile PCR-positive versus -negative stools. CONCLUSIONS HC children <2 years of age had higher rates of C difficile detection by PCR than children with AGE; C difficile detection by real-time PCR alone is not a reliable means to diagnose C difficile disease in children <2 years old.
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Affiliation(s)
- Barbara A Pahud
- Children's Mercy Hospital Kansas City and University of Missouri, Kansas City, Kansas City, Missouri;
| | - Ferdaus Hassan
- Children's Mercy Hospital Kansas City and University of Missouri, Kansas City, Kansas City, Missouri
| | - Christopher J Harrison
- Children's Mercy Hospital Kansas City and University of Missouri, Kansas City, Kansas City, Missouri
| | - Natasha B Halasa
- Department of Pediatrics, School of Medicine, Vanderbilt University, Nashville, Tennessee
| | - James D Chappell
- Department of Pediatrics, School of Medicine, Vanderbilt University, Nashville, Tennessee
| | - Janet A Englund
- Department of Pediatrics, Seattle Children's Hospitals, Seattle, Washington
| | - Eileen J Klein
- Department of Pediatrics, Seattle Children's Hospitals, Seattle, Washington
| | - Peter G Szilagyi
- School of Medicine and Dentistry, University of Rochester, Rochester, New York
| | - Geoffrey A Weinberg
- School of Medicine and Dentistry, University of Rochester, Rochester, New York
| | - Ashley K Sherman
- Children's Mercy Hospital Kansas City and University of Missouri, Kansas City, Kansas City, Missouri
| | - Christopher Polage
- Department of Pathology and Laboratory Medicine, University of California-Davis Medical Center, Sacramento, California.,Clinical Microbiology Laboratory, Duke University Health System and Duke University, Durham, North Carolina; and
| | - Mary E Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Daniel C Payne
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Rangaraj Selvarangan
- Children's Mercy Hospital Kansas City and University of Missouri, Kansas City, Kansas City, Missouri
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25
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Pindyck T, Hall AJ, Tate JE, Cardemil CV, Kambhampati AK, Wikswo ME, Payne DC, Grytdal S, Boom JA, Englund JA, Klein EJ, Halasa N, Selvarangan R, Staat MA, Weinberg GA, Beenhouwer DO, Brown ST, Holodniy M, Lucero-Obusan C, Marconi VC, Rodriguez-Barradas MC, Parashar U. Validation of Acute Gastroenteritis-related International Classification of Diseases, Clinical Modification Codes in Pediatric and Adult US Populations. Clin Infect Dis 2020; 70:2423-2427. [PMID: 31626687 PMCID: PMC7390357 DOI: 10.1093/cid/ciz846] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 08/22/2019] [Indexed: 11/14/2022] Open
Abstract
International Classification of Diseases diagnostic codes are used to estimate acute gastroenteritis (AGE) disease burden. We validated AGE-related codes in pediatric and adult populations using 2 multiregional active surveillance platforms. The sensitivity of AGE codes was similar (54% and 58%) in both populations and increased with addition of vomiting-specific codes.
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Affiliation(s)
- Talia Pindyck
- Epidemic Intelligence Services, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Aron J Hall
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Jacqueline E Tate
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Cristina V Cardemil
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Anita K Kambhampati
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
- IHRC, Inc, Atlanta, Georgia, USA
| | - Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Daniel C Payne
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Scott Grytdal
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | | | | | | | - Natasha Halasa
- Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | | | - Mary Allen Staat
- Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Geoffrey A Weinberg
- University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
| | - David O Beenhouwer
- Veterans Affairs (VA) Greater Los Angeles Healthcare System, Los Angeles, California, USA
- David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California, USA
| | - Sheldon T Brown
- James J. Peters VA Medical Center, Bronx, New York, USA
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Mark Holodniy
- Public Health Surveillance and Research, Department of Veterans Affairs, Palo Alto, California, USA
| | - Cynthia Lucero-Obusan
- Public Health Surveillance and Research, Department of Veterans Affairs, Palo Alto, California, USA
| | - Vince C Marconi
- Atlanta VA Medical Center, Decatur, Georgia, USA
- Rollins School of Public Health at Emory University, Atlanta, Georgia, USA
- Emory University School of Medicine, Atlanta, Georgia, USA
| | - Maria C Rodriguez-Barradas
- Infectious Diseases Section, Michael E. DeBakey VA Medical Center, Houston, Texas, USA
- Infectious Diseases Section, Baylor College of Medicine, Houston, Texas, USA
| | - Umesh Parashar
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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26
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Wikswo ME, Parashar UD, Lopman B, Selvarangan R, Harrison CJ, Azimi PH, Boom JA, Sahni LC, Englund JA, Klein EJ, Staat MA, McNeal MM, Halasa N, Chappell J, Weinberg GA, Szilagyi PG, Esona MD, Bowen MD, Payne DC. Evidence for Household Transmission of Rotavirus in the United States, 2011-2016. J Pediatric Infect Dis Soc 2020; 9:181-187. [PMID: 30753568 DOI: 10.1093/jpids/piz004] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 01/15/2019] [Indexed: 11/14/2022]
Abstract
BACKGROUND Rotavirus is a leading cause of acute gastroenteritis (AGE) in children and is highly transmissible. In this study, we assessed the presence of AGE in household contacts (HHCs) of pediatric patients with laboratory-confirmed rotavirus. METHODS Between December 2011 and June 2016, children aged 14 days to 11 years with AGE were enrolled at 1 of 7 hospitals or emergency departments as part of the New Vaccine Surveillance Network. Parental interviews, medical and vaccination records, and stool specimens were collected at enrollment. Stool was tested for rotavirus by an enzyme immunoassay and confirmed by real-time or conventional reverse transcription-polymerase chain reaction assay or repeated enzyme immunoassay. Follow-up telephone interviews were conducted to assess AGE in HHCs the week after the enrolled child's illness. A mixed-effects multivariate model was used to calculate odds ratios. RESULTS Overall, 829 rotavirus-positive subjects and 8858 rotavirus-negative subjects were enrolled. Households of rotavirus-positive subjects were more likely to report AGE illness in ≥1 HHC than were rotavirus-negative households (35% vs 20%, respectively; P < .0001). A total of 466 (16%) HHCs of rotavirus-positive subjects reported AGE illness. Of the 466 ill HHCs, 107 (23%) sought healthcare; 6 (6%) of these encounters resulted in hospitalization. HHCs who were <5 years old (odds ratio, 2.2 [P = .004]) were more likely to report AGE illness than those in other age groups. In addition, 144 households reported out-of-pocket expenses (median, $20; range, $2-$640) necessary to care for an ill HHC. CONCLUSIONS Rotavirus-associated AGE in children can lead to significant disease burden in HHCs, especially in children aged <5 years. Prevention of pediatric rotavirus illness, notably through vaccination, can prevent additional illnesses in HHCs.
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Affiliation(s)
- Mary E Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Benjamin Lopman
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | | | - Parvin H Azimi
- Children's Hospital Research Center, Oakland, California
| | | | | | | | | | | | | | - Natasha Halasa
- Vanderbilt University Medical Center, Nashville, Tennessee
| | - James Chappell
- Vanderbilt University Medical Center, Nashville, Tennessee
| | | | | | - Mathew D Esona
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Michael D Bowen
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Daniel C Payne
- Centers for Disease Control and Prevention, Atlanta, Georgia
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27
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Burke RM, Shah MP, Wikswo ME, Barclay L, Kambhampati A, Marsh Z, Cannon JL, Parashar UD, Vinjé J, Hall AJ. The Norovirus Epidemiologic Triad: Predictors of Severe Outcomes in US Norovirus Outbreaks, 2009-2016. J Infect Dis 2020; 219:1364-1372. [PMID: 30445538 DOI: 10.1093/infdis/jiy569] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 09/19/2018] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Noroviruses are the leading cause of acute gastroenteritis outbreaks worldwide. Clarifying the viral, host, and environmental factors (epidemiologic triad) associated with severe outcomes can help target public health interventions. METHODS Acute norovirus outbreaks reported to the National Outbreak Reporting System (NORS) in 2009-2016 were linked to laboratory-confirmed norovirus outbreaks reported to CaliciNet. Outbreaks were analyzed for differences in genotype (GII.4 vs non-GII.4), hospitalization, and mortality rates by timing, setting, transmission mode, demographics, clinical symptoms, and health outcomes. RESULTS A total of 3747 norovirus outbreaks were matched from NORS and CaliciNet. Multivariable models showed that GII.4 outbreaks (n = 2353) were associated with healthcare settings (odds ratio [OR], 3.94 [95% confidence interval {CI}, 2.99-5.23]), winter months (November-April; 1.55 [95% CI, 1.24-1.93]), and older age of cases (≥50% aged ≥75 years; 1.37 [95% CI, 1.04-1.79]). Severe outcomes were more likely among GII.4 outbreaks (hospitalization rate ratio [RR], 1.54 [95% CI, 1.23-1.96]; mortality RR, 2.77 [95% CI, 1.04-5.78]). Outbreaks in healthcare settings were also associated with higher hospitalization (RR, 3.22 [95% CI, 2.34-4.44]) and mortality rates (RR, 5.65 [95% CI, 1.92-18.70]). CONCLUSIONS Severe outcomes more frequently occurred in norovirus outbreaks caused by GII.4 and those in healthcare settings. These results should help guide preventive interventions for targeted populations, including vaccine development.
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Affiliation(s)
- Rachel M Burke
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Atlanta, Georgia.,Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Minesh P Shah
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Atlanta, Georgia.,Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mary E Wikswo
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Atlanta, Georgia
| | - Leslie Barclay
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Atlanta, Georgia
| | - Anita Kambhampati
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Atlanta, Georgia.,IHRC, Inc, Atlanta, Georgia
| | - Zachary Marsh
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Atlanta, Georgia.,Oak Ridge Institute for Science and Education, Tennessee, Atlanta, Georgia
| | | | - Umesh D Parashar
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Atlanta, Georgia
| | - Jan Vinjé
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Atlanta, Georgia
| | - Aron J Hall
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Atlanta, Georgia
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28
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Hassan F, Kanwar N, Harrison CJ, Halasa NB, Chappell JD, Englund JA, Klein EJ, Weinberg GA, Szilagyi PG, Moffatt ME, Oberste MS, Nix WA, Rogers S, Bowen MD, Vinjé J, Wikswo ME, Parashar UD, Payne DC, Selvarangan R. Viral Etiology of Acute Gastroenteritis in <2-Year-Old US Children in the Post-Rotavirus Vaccine Era. J Pediatric Infect Dis Soc 2019; 8:414-421. [PMID: 30184153 DOI: 10.1093/jpids/piy077] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 08/02/2018] [Indexed: 11/14/2022]
Abstract
BACKGROUND The rotavirus disease burden has declined substantially since rotavirus vaccine was introduced in the United States in 2006. The aim of this study was to determine the viral etiology of acute gastroenteritis (AGE) in US children aged <2 years. METHODS The New Vaccine Surveillance Network (NVSN) of geographically diverse US sites conducts active pediatric population-based surveillance in hospitals and emergency departments. Stool samples were collected from children aged <2 years with symptoms of AGE (n = 330) and age-matched healthy controls (HCs) (n = 272) between January and December 2012. Samples were tested by real-time reverse-transcriptase polymerase chain reaction assays {adenovirus (type 40 and 41), norovirus, parechovirus A, enterovirus, sapovirus, and astrovirus} and an enzyme immunoassay (rotavirus). All samples that tested positive were genotyped. RESULTS Detection rates of pathogens in children with AGE versus those of HCs were, respectively, 23.0% versus 6.6% for norovirus (P < .01), 23.0% versus 16.0% for adenovirus (P = .08), 11.0% versus 16.0% for parechovirus A (P = .09), 11.0% versus 9.0% for enterovirus (P = .34), 7.0% versus 3.0% for sapovirus (P = .07), 3.0% versus 0.3% for astrovirus (P = .01), and 3.0% versus 0.4% for rotavirus (P = .01). A high prevalence of adenovirus was detected at 1 surveillance site (49.0% for children with AGE and 43.0% for HCs). Norovirus GII.4 New Orleans was the most frequently detected (33.0%) norovirus genotype. Codetection of >1 virus was more common in children with AGE (16.0%) than in HCs (10.0%) (P = .03). CONCLUSIONS Norovirus, astrovirus, sapovirus, and rotavirus were detected significantly more in children with AGE than in HCs, and norovirus was the leading AGE-causing pathogen in US children aged <2 years during the year 2012.
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Affiliation(s)
- Ferdaus Hassan
- Department of Pathology and Laboratory Medicine, Children's Mercy Hospitals and Clinics, Kansas City, Missouri.,University of Missouri, School of Medicine, Kansas City
| | - Neena Kanwar
- Department of Pathology and Laboratory Medicine, Children's Mercy Hospitals and Clinics, Kansas City, Missouri
| | - Christopher J Harrison
- University of Missouri, School of Medicine, Kansas City.,Division of Infectious Diseases, Children's Mercy Hospitals and Clinics, Kansas City, Missouri
| | - Natasha B Halasa
- Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - James D Chappell
- Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Janet A Englund
- Department of Pediatrics, Seattle Children's Hospitals, Washington
| | - Eileen J Klein
- Department of Pediatrics, Seattle Children's Hospitals, Washington
| | | | - Peter G Szilagyi
- University of Rochester School of Medicine and Dentistry, New York.,Department of Pediatrics, University of California at Los Angeles
| | - Mary E Moffatt
- University of Missouri, School of Medicine, Kansas City.,Division of Emergency Medicine, Children's Mercy Hospitals and Clinics, Kansas City, Missouri
| | - M Steven Oberste
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - William A Nix
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Shannon Rogers
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Michael D Bowen
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Jan Vinjé
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mary E Wikswo
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Umesh D Parashar
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Daniel C Payne
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Rangaraj Selvarangan
- Department of Pathology and Laboratory Medicine, Children's Mercy Hospitals and Clinics, Kansas City, Missouri.,University of Missouri, School of Medicine, Kansas City
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Payne DC, Englund JA, Weinberg GA, Halasa NB, Boom JA, Staat MA, Selvarangan R, Azimi PH, Klein EJ, Szilagyi PG, Chappell J, Sahni LC, McNeal M, Harrison CJ, Moffatt ME, Johnston SH, Mijatovic-Rustempasic S, Esona MD, Tate JE, Curns AT, Wikswo ME, Sulemana I, Bowen MD, Parashar UD. Association of Rotavirus Vaccination With Inpatient and Emergency Department Visits Among Children Seeking Care for Acute Gastroenteritis, 2010-2016. JAMA Netw Open 2019; 2:e1912242. [PMID: 31560386 PMCID: PMC6777243 DOI: 10.1001/jamanetworkopen.2019.12242] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
IMPORTANCE Rotavirus vaccines have been recommended for universal US infant immunization for more than 10 years, and understanding their effectiveness is key to the continued success of the US rotavirus vaccine immunization program. OBJECTIVE To assess the association of RotaTeq (RV5) and Rotarix (RV1) with inpatient and emergency department (ED) visits for rotavirus infection. DESIGN, SETTING, AND PARTICIPANTS This case-control vaccine effectiveness study was performed at inpatient and ED clinical settings in 7 US pediatric medical institutions from November 1, 2009, through June 30, 2016. Children younger than 5 years seeking medical care for acute gastroenteritis were enrolled. Clinical and epidemiologic data, vaccination verification, and results of stool sample tests for laboratory-confirmed rotavirus were collected. Data were analyzed from November 1, 2009, through June 30, 2016. MAIN OUTCOMES AND MEASURES Rotavirus vaccine effectiveness for preventing rotavirus-associated inpatient and ED visits over time for each licensed vaccine, stratified by clinical severity and age. RESULTS Among the 10 813 children included (5927 boys [54.8%] and 4886 girls [45.2%]; median [range] age, 21 [8-59] months), RV5 and RV1 analyses found that compared with controls, rotavirus-positive cases were more often white (RV5, 535 [62.2%] vs 3310 [57.7%]; RV1, 163 [43.1%] vs 864 [35.1%]), privately insured (RV5, 620 [72.1%] vs 4388 [76.5%]; RV1, 305 [80.7%] vs 2140 [87.0%]), and older (median [range] age for RV5, 26 [8-59] months vs 21 [8-59] months; median [range] age for RV1, 22 [8-59] months vs 19 [8-59] months) but did not differ by sex. Among 1193 rotavirus-positive cases and 9620 rotavirus-negative controls, at least 1 dose of any rotavirus vaccine was 82% (95% CI, 77%-86%) protective against rotavirus-associated inpatient visits and 75% (95% CI, 71%-79%) protective against rotavirus-associated ED visits. No statistically significant difference during this 7-year period was observed for either rotavirus vaccine. Vaccine effectiveness against inpatient and ED visits was 81% (95% CI, 78%-84%) for RV5 (3 doses) and 78% (95% CI, 72%-82%) for RV1 (2 doses) among the study population. A mixed course of both vaccines provided 86% (95% CI, 74%-93%) protection. Rotavirus patients who were not vaccinated had severe infections 4 times more often than those who were vaccinated (74 of 426 [17.4%] vs 28 of 605 [4.6%]; P < .001), and any dose of rotavirus vaccine was 65% (95% CI, 56%-73%) effective against mild infections, 81% (95% CI, 76%-84%) against moderate infections, and 91% (95% CI, 85%-95%) against severe infections. CONCLUSIONS AND RELEVANCE Evidence from this large postlicensure study of rotavirus vaccine performance in the United States from 2010 to 2016 suggests that RV5 and RV1 rotavirus vaccines continue to perform well, particularly in preventing inpatient visits and severe infections and among younger children.
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Affiliation(s)
- Daniel C. Payne
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Janet A. Englund
- Department of Pediatrics, Seattle Children’s Hospital, Seattle, Washington
- Seattle Children’s Research Institute, Seattle Children’s Hospital, Seattle, Washington
| | - Geoffrey A. Weinberg
- Department of Pediatrics, University of Rochester School of Medicine and Dentistry, Rochester, New York
| | - Natasha B. Halasa
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Julie A. Boom
- Immunization Project, Texas Children’s Hospital, Houston
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Mary Allen Staat
- Division of Infectious Diseases, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Rangaraj Selvarangan
- Department of Pathology and Laboratory Medicine, Children’s Mercy Hospitals and Clinics, Children’s Mercy, Kansas City, Missouri
| | - Parvin H. Azimi
- Department of Infectious Disease, UCSF (University of California, San Francisco) Benioff Children’s Hospital Oakland, Oakland
| | - Eileen J. Klein
- Department of Pediatrics, Seattle Children’s Hospital, Seattle, Washington
- Seattle Children’s Research Institute, Seattle Children’s Hospital, Seattle, Washington
| | - Peter G. Szilagyi
- Department of Pediatrics, University of Rochester School of Medicine and Dentistry, Rochester, New York
- Department of Pediatrics, UCLA (University of California, Los Angeles)
| | - James Chappell
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Leila C. Sahni
- Immunization Project, Texas Children’s Hospital, Houston
| | - Monica McNeal
- Division of Infectious Diseases, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Christopher J. Harrison
- Department of Infectious Disease, UCSF (University of California, San Francisco) Benioff Children’s Hospital Oakland, Oakland
| | - Mary E. Moffatt
- Division of Infectious Diseases, Children’s Mercy, Kansas City, Missouri
| | | | - Slavica Mijatovic-Rustempasic
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mathew D. Esona
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Jacqueline E. Tate
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Aaron T. Curns
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mary E. Wikswo
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Iddrisu Sulemana
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Michael D. Bowen
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Umesh D. Parashar
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
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Affiliation(s)
- Radhika Gharpure
- Division of Foodborne, Waterborne, and Environmental Diseases National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta Georgia
- Epidemic Intelligence Service CDC Atlanta Georgia
| | - Ariana Perez
- Division of Foodborne, Waterborne, and Environmental Diseases National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta Georgia
- Oak Ridge Institute for Science and Education Oak Ridge Tennessee
| | - Allison D. Miller
- Division of Foodborne, Waterborne, and Environmental Diseases National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta Georgia
- Eagle Medical Services, LLC Atlanta Georgia
| | - Mary E. Wikswo
- Division of Viral Diseases National Center for Immunization and Respiratory Diseases CDC Atlanta Georgia
| | - Rachel Silver
- Division of Foodborne, Waterborne, and Environmental Diseases National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta Georgia
- Oak Ridge Institute for Science and Education Oak Ridge Tennessee
| | - Michele C. Hlavsa
- Division of Foodborne, Waterborne, and Environmental Diseases National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta Georgia
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Gharpure R, Perez A, Miller AD, Wikswo ME, Silver R, Hlavsa MC. Cryptosporidiosis Outbreaks - United States, 2009-2017. MMWR Morb Mortal Wkly Rep 2019; 68:568-572. [PMID: 31246941 PMCID: PMC6597118 DOI: 10.15585/mmwr.mm6825a3] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Aliabadi N, Wikswo ME, Tate JE, Cortese MM, Szilagyi PG, Staat MA, Weinberg GA, Halasa NB, Boom JA, Selvarangan R, Englund JA, Azimi PH, Klein EJ, Moffatt ME, Harrison CJ, Sahni LC, Stewart LS, Bernstein DI, Parashar UD, Payne DC. Factors Associated With Rotavirus Vaccine Coverage. Pediatrics 2019; 143:e20181824. [PMID: 30655333 DOI: 10.1542/peds.2018-1824] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/19/2018] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Rotavirus vaccines (RVVs) were included in the US immunization program in 2006 and are coadministered with the diphtheria-tetanus-acellular pertussis (DTaP) vaccine, yet their coverage lags behind DTaP. We assessed timing, initiation, and completion of the RVV series among children enrolled in active gastroenteritis surveillance at 7 US medical institutions during 2014-2016. METHODS We compared coverage and timing of each vaccine series and analyzed characteristics associated with RVV initiation and completion. We report odds ratios (ORs) and 95% confidence intervals (CIs) from multivariable logistic regression models. RESULTS We enrolled 10 603 children. In 2015, ≥1 dose coverage was 91% for RVV and 97% for DTaP. Seven percent of children received their first DTaP vaccine at age ≥15 weeks versus 4% for RVV (P ≤ .001). Recent birth years (2013-2016) were associated with higher odds of RVV initiation (OR = 5.72; 95% CI 4.43-7.39), whereas preterm birth (OR = 0.32; 95% CI 0.24-0.41), older age at DTaP initiation (OR 0.85; 95% CI 0.80-0.91), income between $50 000 and $100 000 (OR = 0.56; 95% CI 0.40-0.78), and higher maternal education (OR = 0.52; 95% CI 0.36-0.74) were associated with lower odds. Once RVV was initiated, recent birth years (2013-2016; OR = 1.57 [95% CI 1.32-1.88]) and higher maternal education (OR = 1.31; 95% CI 1.07-1.60) were associated with higher odds of RVV completion, whereas preterm birth (OR = 0.76; 95% CI 0.62-0.94), African American race (OR = 0.82; 95% CI 0.70-0.97) and public or no insurance (OR = 0.75; 95% CI 0.60-0.93) were associated with lower odds. Regional differences existed. CONCLUSIONS RVV coverage remains lower than that for the DTaP vaccine. Timely DTaP administration may help improve RVV coverage.
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Affiliation(s)
- Negar Aliabadi
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia;
| | - Mary E Wikswo
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Jacqueline E Tate
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Margaret M Cortese
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Peter G Szilagyi
- School of Medicine and Dentistry, University of Rochester, Rochester, New York
- University of California, Los Angeles, Los Angeles, California
| | | | - Geoffrey A Weinberg
- School of Medicine and Dentistry, University of Rochester, Rochester, New York
| | | | - Julie A Boom
- Texas Children's Hospital, Houston, Texas
- Baylor College of Medicine, Houston, Texas
| | | | | | - Parvin H Azimi
- University of California, San Francisco Benioff Children's Hospital Oakland, Oakland, California
| | | | | | | | | | | | | | - Umesh D Parashar
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Daniel C Payne
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
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Hamdan L, Batarseh E, Piya B, Stewart L, Fonnesbeck C, Chappell JD, Payne DC, Hall AJ, Dunn J, Wikswo ME, Halasa N. 1112. Detection of Enteric Viruses in Children With Acute Gastroenteritis. Open Forum Infect Dis 2018. [PMCID: PMC6255609 DOI: 10.1093/ofid/ofy210.945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Background Acute gastroenteritis (AGE) is a major cause of morbidity in children. Viral pathogens are the most common infectious agents. Differences in illness characteristics of AGE with and without virus detection are poorly defined. We compared AGE illness characteristics between children with and without any-virus detected, and with single vs. multiple viruses detected. Methods Children between 15 days and 17 years with AGE defined as diarrhea (>3 loose stools/24 hours) or any vomiting within 10 days duration were enrolled in Vanderbilt Children’s Hospital inpatient, ED, and outpatient settings from December 2012 to November 2015. Stool specimens were tested by RT-qPCR for norovirus, sapovirus, and astrovirus and by ELISA (VP6 antigen [Rotaclone®]) for rotavirus. Results Of 3,705 children enrolled, 2,892 (78%) specimens were collected. A single virus was detected in 1,109 (38%) stools [51% norovirus, 20% rotavirus, 21% sapovirus, and 8% astrovirus], viral co-detections were found in 115 (4%) stools, and 1,665 (58%) had no detected viruses. Table 1 compares children with and without any-virus detected. Children with a single-virus detected were older than those with >1 virus detected (1.8 vs. 1.5 years [P < 0.05]) with no other significant differences. Conclusion Children with any-virus detected had more severe symptoms, higher MVS, and more frequently reported sick contacts compared with no-virus detected. Children with no-virus detected were more likely to present with fever and higher temperatures, which may be due to bacterial organisms. These data highlight the importance of infection-prevention precautions in the community and the need for additional testing to define the etiologic spectrum of AGE in children. Disclosures N. Halasa, sanofi pasteur: Investigator, Research support. GSK: Consultant, Consulting fee. Moderna: Consultant, Consulting fee.
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Affiliation(s)
- Lubna Hamdan
- Vanderbilt University Medical Center, Nashville, Tennessee
| | - Einas Batarseh
- Vanderbilt University Medical Center, Nashville, Tennessee
| | - Bhinnata Piya
- Vanderbilt University Medical Center, Nashville, Tennessee
| | - Laura Stewart
- Vanderbilt University Medical Center, Nashville, Tennessee
| | | | | | - Daniel C Payne
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Aron J Hall
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - John Dunn
- Division of Communicable and Environmental Diseases and Emergency Preparedness, Tennessee Department of Health, Nashville, Tennessee
| | - Mary E Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Natasha Halasa
- Vanderbilt University Medical Center, Nashville, Tennessee
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Schuster J, Johnston S, Piya B, Dulek D, Wikswo ME, Browne H, Vinje J, Payne DC, Azimi PH, Selvarangan R, Halasa NB, Englund J. 1106. Infectious Etiologies of Acute Gastroenteritis in Children during the First 100 Days Post-Allogeneic Hematopoietic Cell Transplant. Open Forum Infect Dis 2018. [PMCID: PMC6253402 DOI: 10.1093/ofid/ofy210.940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Background Acute gastroenteritis (AGE) is a frequent sequela in children undergoing hematopoietic cell transplant (HCT). Although rotavirus and norovirus have been implicated as important causes of AGE, the frequency of other pathogens is unknown. Little data exist on longitudinal prevalence of infectious AGE in HCT. Methods From February 2015 to May 2016, subjects <18 years undergoing allogeneic HCT were enrolled at four CDC-NVSN sites: Oakland, Kansas City, Seattle, and Nashville. Stool samples were collected at enrollment, weekly until discharge or day 100 (whichever occurred earliest), during re-admissions within the first 100 days, and day 100. AGE was defined as unexplained ≥3 episodes diarrhea and/or ≥1 episode vomiting/24 hours. Specimens were tested using Luminex xTAG Gastrointestinal Pathogen Panel (Austin, TX) and real-time PCR for adenovirus, astrovirus, norovirus, and sapovirus. Results Thirty-one patients were enrolled at four sites (Seattle: 13, Kansas City: 8, Oakland: 6, Nashville: (4) with median age 5 (IQR 3–10) years. Two hundred sixteen samples were obtained with median 7 samples/subject. During the first 100 days, 29 (94%) subjects met the AGE definition. Thirty-six single pathogen detections occurred in 16 (52%) subjects. Clostridium difficile was the most frequent pathogen (Figure 1), with 14 detections in nine patients, all ≥3 years; 50% of detections were asymptomatic. Seven (50%) detections occurred at HCT onset and none received targeted C. difficile therapy. Sapovirus was detected nine times in four patients, with seven (78%) detections associated with AGE symptoms. Rotavirus was detected nine times, during five symptomatic episodes, in three patients. Adenovirus was detected four times in three patients and all were symptomatic. Conclusion We longitudinally characterized the etiology of infectious AGE in children undergoing HCT. Despite the majority of patients meeting the definition for AGE, only half had a pathogen detected, suggesting that differentiating infectious vs. noninfectious AGE (e.g., medication induced) in this population is difficult. Although all subjects with adenovirus and most with sapovirus were symptomatic, asymptomatic C. difficile detection was common. Interestingly, norovirus was not detected. Further investigation of AGE is warranted in this population. Disclosures All authors: No reported disclosures.
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Affiliation(s)
| | | | - Bhinnata Piya
- Vanderbilt University Medical Center, Nashville, Tennessee
| | - Daniel Dulek
- Department of Pediatrics, Division of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Monroe Carell Jr. Children’s Hospital at Vanderbilt, Nashville, Tennessee
| | - Mary E Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Hannah Browne
- Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee
| | - Jan Vinje
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Daniel C Payne
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Parvin H Azimi
- UCSF Benioff Children’s Hospital Oakland, Oakland, California
| | | | | | - Janet Englund
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
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Pindyck T, Hall AJ, Tate J, Cardemil CV, Kambhampati A, Wikswo ME, Grytdal S, Payne DC, Parashar UD. 2154. How Well Are We Estimating the True Burden of Acute Gastroenteritis? Validation of Acute Gastroenteritis-Related ICD Codes in Pediatric and Adult U.S. Populations. Open Forum Infect Dis 2018. [PMCID: PMC6253024 DOI: 10.1093/ofid/ofy210.1810] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Background International Classification of Diseases (ICD) diagnostic codes from acute gastroenteritis (AGE)-associated medical encounters are used for AGE disease burden estimates, yet the validity of AGE-related ICD codes in both pediatric and adult populations is unknown. We estimated the validity of AGE-related diagnostic codes in these populations using two different multi-regional AGE active surveillance platforms. Methods Diagnostic codes, demographic and clinical characteristics, and stool pathogen results from AGE-associated medical encounters were obtained for enrolled children <5 years old from seven sites in NVSN from December 1, 2011 to June 30, 2016, and for adult Veterans in four sites from SUPERNOVA from December 1, 2016 to February 28, 2018. SUPERNOVA also enrolled age- and time-matched non-AGE controls. Using AGE cases from the active surveillance networks, sensitivity and specificity of AGE ICD codes were estimated overall and stratified by age and health care setting using exact binomial tests. Results ICD codes were collected from 14,952 enrolled children <5 years old with AGE, and 625 enrolled adults (525 AGE cases and 100 controls). The sensitivity of all-cause AGE codes in children was 54% (9,127/14,952, 95% confidence interval [CI] 54–55%), and in adults was 54% (283/525; 95% CI 50–58%), with a specificity of 100% (100/100; 95% CI 97–100%). Stratified analyses demonstrated higher sensitivity of all-cause AGE codes in children in the inpatient as compared with outpatient setting: 59% (417/675; 95% CI 57–61%) vs. 53% (934/1827; 95% CI 52–54%). In adults, this trend was reversed; all-cause AGE codes had a higher sensitivity in the outpatient as compared with the inpatient setting: 72% (50/69; 95% CI 60–83%), vs. 51% (233/456; 95% CI 46–56%), respectively. Conclusion Across two different AGE active surveillance platforms, one enrolling only children and one enrolling only adults, the estimated sensitivity of all-cause AGE ICD codes were similarly low. This suggests that current national estimates for AGE disease burden may be underestimating the true burden of AGE pathogens in the United States, and emphasizes the importance of active, prospective surveillance. Disclosures All authors: No reported disclosures.
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Affiliation(s)
| | - Aron J Hall
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Jacqueline Tate
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Cristina V Cardemil
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Anita Kambhampati
- IHRC, Inc., contracting agency to the Division of Viral Diseases, Centers for Diseases Control and Prevention, Atlanta, Georgia, Atlanta, Georgia
| | - Mary E Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Scott Grytdal
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Daniel C Payne
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Umesh D Parashar
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
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Batarseh E, Hamdan L, Piya B, Stewart L, Chappell JD, Dunn J, Payne DC, Wikswo ME, Vinjé J, Hall AJ, Halasa N. 1101. Comparison of Clinical Characteristics and Demographics of GII.4 vs. Other GII Noroviruses Associated With Sporadic Acute Gastroenteritis in Children in Nashville, TN, 2012–2015. Open Forum Infect Dis 2018. [PMCID: PMC6253429 DOI: 10.1093/ofid/ofy210.936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background Norovirus is a leading cause of acute gastroenteritis (AGE) in all age groups. Although at least 28 different genotypes infecting humans have been reported, most outbreaks over the last 15 years have been caused by genogroup II (GII) viruses, of which GII.4 viruses have caused more than 50%. Since clinical differences between different genotypes are poorly understood, we sought to compare clinical characteristics in children infected with GII.4 and non-GII.4 viruses. Methods Children between 15 days and 17 years who presented with AGE defined as diarrhea (≥3 loose stools in a 24 hour period) or vomiting (≥1 episodes in a 24 hour period) within 10 days duration were recruited in outpatient, emergency, and inpatient settings in Nashville, TN, during 2012–2015. Stool specimens were tested by RT-qPCR for GI and GII norovirus. Norovirus-positive specimens were genotyped by sequencing of a partial region of the capsid gene. In this study, we excluded children infected with GI, mixed GI/GII and non-typeable GII viruses. Results Of 3,705 AGE subjects enrolled, 2,892 (78%) specimens were collected, 637 (22%) tested norovirus-positive (567 [89%] GII, 62 [10%] GI, and 8 [1%] mixed GI/GII). Of the 567 GII viruses, 461 (81%) were able to be genotyped and of those 238/461 (51.6%) were typed as GII.4 and 223/461 (48.3%) were typed as other GII genotypes (non-GII.4, primarily GII.3 [65/ 461, 14.1%], GII.6 [48/461, 10.4%] and GII.7 [36/461, 7.8%]). Over three AGE seasons, GII.4 represented 64/117 (54%), 79/178 (44%), and 71/166 (57%), of the GII infections, respectively. Compared with non-GII.4 subjects, GII.4 subjects were more likely to be younger (15.5 vs. 21.3 months, P < 0.01), and less likely to attend daycare (23% vs. 39%, P < 0.01). GII.4 subjects also were more likely to present with diarrhea (75% vs. 57%, P < 0.01) and had higher median modified Vesikari score (7 vs. 6, P < 0.01). Conclusion Children infected with GII.4 viruses were younger, less likely to attend child care, more likely to present with diarrhea, and had a more severe illness compared with those with non-GII.4 infections. These data provide important information on the genotype distribution of norovirus in children with AGE in Tennessee and highlight GII.4 as the most prevalent strain. Disclosures N. Halasa, sanofi pasteur: Investigator, Research support. GSK: Consultant, Consulting fee. Moderna: Consultant, Consulting fee.
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Affiliation(s)
- Einas Batarseh
- Vanderbilt University Medical Center, Nashville, Tennessee
| | - Lubna Hamdan
- Vanderbilt University Medical Center, Nashville, Tennessee
| | - Bhinnata Piya
- Vanderbilt University Medical Center, Nashville, Tennessee
| | - Laura Stewart
- Vanderbilt University Medical Center, Nashville, Tennessee
| | | | - John Dunn
- Division of Communicable and Environmental Diseases and Emergency Preparedness, Tennessee Department of Health, Nashville, Tennessee
| | - Daniel C Payne
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mary E Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Jan Vinjé
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Aron J Hall
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Natasha Halasa
- Vanderbilt University Medical Center, Nashville, Tennessee
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Kolsin JM, Lopman BA, Payne DC, Wikswo ME, Dunn JR, Halasa NB, Hall AJ. Evaluating Previous Antibiotic Use as a Risk Factor for Acute Gastroenteritis Among Children in Davidson County, Tennessee, 2014-2015. J Pediatric Infect Dis Soc 2018; 7:e86-e91. [PMID: 29788403 DOI: 10.1093/jpids/piy044] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 04/27/2018] [Indexed: 11/14/2022]
Abstract
BACKGROUND Epidemiologic studies that evaluate the relationship between previous antibiotic use and acute gastroenteritis (AGE) in the pediatric population are currently lacking. METHODS We analyzed inpatient and outpatient children with AGE and healthy controls from Vanderbilt University Medical Center between December 1, 2014, and November 30, 2015. The following 4 outcome groups were defined: overall AGE, norovirus-associated AGE, rotavirus-associated AGE, and nonnorovirus/nonrotavirus AGE. Multiple logistic regression was performed to evaluate the association between previous antibiotic use and the 4 AGE outcomes and with AGE severity. RESULTS Reported antibiotic use rates in the 3 months before illness onset were similar across the 4 AGE outcomes (overall AGE, 21%; norovirus-associated AGE, 23%; rotavirus-associated AGE, 28%; and nonnorovirus/nonrotavirus AGE, 22%) but were higher than that reported for healthy controls (9%). Compared with healthy controls, patients with AGE overall were 4.6 (95% confidence interval [CI], 1.8-11.4) times more likely to have reported antibiotic use in the 3 weeks before illness onset and 2.6 (95% CI, 1.7-4.1) times more likely to have reported antibiotic use within 3 months before illness onset. Similar results were found for the other specific AGE outcomes. For the overall AGE group, the odds of antibiotic use in the 3 months before illness onset was 3.5 (95% CI, 1.8-7.1) times higher for inpatients than for outpatients. CONCLUSIONS Previous antibiotic use among children was associated with increased odds of AGE, irrespective of etiology, and this association was stronger with more recent antibiotic use. Previous antibiotic use was associated also with more severe AGE.
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Affiliation(s)
- Jonathan M Kolsin
- Rollins School of Public Health, Emory University, Atlanta, Georgia.,National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Daniel C Payne
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mary E Wikswo
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | | | - Aron J Hall
- Rollins School of Public Health, Emory University, Atlanta, Georgia.,National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
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Islam S, Selvarangan R, Kanwar N, McHenry R, Chappell JD, Halasa N, Wikswo ME, Payne DC, Azimi PH, McDonald LC, Gomez-Duarte OG. Intestinal Carriage of Third-Generation Cephalosporin-Resistant and Extended-Spectrum β-Lactamase-Producing Enterobacteriaceae in Healthy US Children. J Pediatric Infect Dis Soc 2018; 7:234-240. [PMID: 28992133 PMCID: PMC5820225 DOI: 10.1093/jpids/pix045] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Accepted: 05/12/2017] [Indexed: 01/16/2023]
Abstract
BACKGROUND The epidemiology of antibiotic-resistant Enterobacteriaceae intestinal carriage in healthy US children has not been well characterized. METHODS Children between 14 days and 14 years of age were enrolled during well-child visits in Oakland, California, Kansas City, Kansas, and Nashville, Tennessee, between December 2013 and March 2015. Data on recent antibiotic use by the child and travel and hospitalization history of all members of each child's household were obtained with a risk-factor survey. Stool specimens collected from the subjects were screened for extended-spectrum β-lactamase-producing (ESBL-P) bacteria using CHROMagar ESBL medium. Putative ESBL-P Escherichia coli and Klebsiella colonies underwent phenotypic confirmation by double-disk synergy testing; confirmed third-generation cephalosporin-resistant (3GCR) isolates underwent additional antibiotic-susceptibility testing. RESULTS In 519 subjects, the overall 3GCR Enterobacteriaceae carriage rate was 4.4% (n = 23) and ranged from 3.4% to 5.1% among the study sites. The ESBL-P Enterobacteriaceae carriage rate was 3.5% (n = 18). The rates of 3GCR Enterobacteriaceae carriage was highest in 1 to <2 year olds at 6.5%, and was 5.2% in <5 year-olds vs 1.7% in ≥5-year-olds (P = .11). 3GCR and ESBL-P Enterobacteriaceae carriage was associated with international travel within the previous year; 11.1% of ESBL-P Enterobacteriaceae carriers reported this history compared with 1.6% of noncarriers (P = .004). No other queried factor was found to increase risk. Of the 24 analyzed 3GCR isolates, 58% were multidrug resistant. CONCLUSIONS The 3GCR Enterobacteriaceae carriage rate exceeds 5% in healthy US children <5 years of age. International travel within the previous year increased the risk of 3GCR and ESBL-P Enterobacteriaceae carriage. In contrast, we found no differences in the rates of hospitalization or recent antibiotic exposure between carriers and noncarriers. Young children, who have the highest prevalence of colonization, might be a sentinel population to study to gain a better understanding of community sources of antibiotic-resistant Enterobacteriaceae.
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Affiliation(s)
- Shamim Islam
- University at Buffalo, State University of New York
| | - Rangaraj Selvarangan
- Children’s Mercy Hospital, Kansas City, Missouri,University of Missouri, Kansas City School of Medicine
| | - Neena Kanwar
- Children’s Mercy Hospital, Kansas City, Missouri
| | - Rendie McHenry
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - James D. Chappell
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Natasha Halasa
- Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Mary E. Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Daniel C. Payne
- Centers for Disease Control and Prevention, Atlanta, Georgia
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Shah MP, Wikswo ME, Barclay L, Kambhampati A, Shioda K, Parashar UD, Vinjé J, Hall AJ. Near Real-Time Surveillance of U.S. Norovirus Outbreaks by the Norovirus Sentinel Testing and Tracking Network - United States, August 2009-July 2015. MMWR Morb Mortal Wkly Rep 2017; 66:185-189. [PMID: 28231235 PMCID: PMC5657847 DOI: 10.15585/mmwr.mm6607a1] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Norovirus is the leading cause of endemic and epidemic acute gastroenteritis in the United States (1). New variant strains of norovirus GII.4 emerge every 2-4 years (2-4) and are often associated with increased disease and health care visits (5-7). Since 2009, CDC has obtained epidemiologic data on norovirus outbreaks from state health departments through the National Outbreak Reporting System (NORS) (8) and laboratory data through CaliciNet (9). NORS is a web-based platform for reporting waterborne, foodborne, and enteric disease outbreaks of all etiologies, including norovirus, to CDC. CaliciNet, a nationwide electronic surveillance system of local and state public health and regulatory agency laboratories, collects genetic sequences of norovirus strains associated with gastroenteritis outbreaks. Because these two independent reporting systems contain complementary data, integration of NORS and CaliciNet records could provide valuable public health information about norovirus outbreaks. However, reporting lags and inconsistent identification codes in NORS and CaliciNet records have been an obstacle to developing an integrated surveillance system.
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40
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Aliabadi N, Wikswo ME, Tate J, Parashar UD, Payne D. Factors Associated With Rotavirus Vaccine Uptake Among United States Children 8 Months to 5 Years Old, 2014–2015. Open Forum Infect Dis 2016. [DOI: 10.1093/ofid/ofw172.645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Negar Aliabadi
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mary E. Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Jacqueline Tate
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Daniel Payne
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
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Bowen MD, Mijatovic-Rustempasic S, Esona MD, Teel EN, Gautam R, Sturgeon M, Azimi PH, Baker CJ, Bernstein DI, Boom JA, Chappell J, Donauer S, Edwards KM, Englund JA, Halasa NB, Harrison CJ, Johnston SH, Klein EJ, McNeal MM, Moffatt ME, Rench MA, Sahni LC, Selvarangan R, Staat MA, Szilagyi PG, Weinberg GA, Wikswo ME, Parashar UD, Payne DC. Rotavirus Strain Trends During the Postlicensure Vaccine Era: United States, 2008-2013. J Infect Dis 2016; 214:732-8. [PMID: 27302190 PMCID: PMC5075963 DOI: 10.1093/infdis/jiw233] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 05/26/2016] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Group A rotaviruses (RVA) are a significant cause of pediatric gastroenteritis worldwide. The New Vaccine Surveillance Network (NVSN) has conducted active surveillance for RVA at pediatric hospitals and emergency departments at 3-7 geographically diverse sites in the United States since 2006. METHODS Over 6 consecutive years, from 2008 to 2013, 1523 samples from NVSN sites that were tested positive by a Rotaclone enzyme immunoassay were submitted to the Centers for Disease Control and Prevention for genotyping. RESULTS In the 2009, 2010, and 2011 seasons, genotype G3P[8] was the predominant genotype throughout the network, with a 46%-84% prevalence. In the 2012 season, G12P[8] replaced G3P[8] as the most common genotype, with a 70% prevalence, and this trend persisted in 2013 (68.0% prevalence). Vaccine (RotaTeq; Rotarix) strains were detected in 0.6%-3.4% of genotyped samples each season. Uncommon and unusual strains (eg, G8P[4], G3P[24], G2P[8], G3P[4], G3P[6], G24P[14], G4P[6], and G9P[4]) were detected sporadically over the study period. Year, study site, and race were found to be significant predictors of genotype. CONCLUSIONS Continued active surveillance is needed to monitor RVA genotypes in the United States and to detect potential changes since vaccine licensure.
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Affiliation(s)
- Michael D Bowen
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Mathew D Esona
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Rashi Gautam
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | | | - Carol J Baker
- Texas Children's Hospital Baylor College of Medicine, Houston, Texas
| | | | - Julie A Boom
- Texas Children's Hospital Baylor College of Medicine, Houston, Texas
| | - James Chappell
- Vanderbilt University Medical Center, Nashville, Tennessee
| | | | | | | | | | | | | | | | | | - Mary E Moffatt
- Children's Mercy Hospitals and Clinics, Kansas City, Missouri
| | - Marcia A Rench
- Texas Children's Hospital Baylor College of Medicine, Houston, Texas
| | | | | | - Mary A Staat
- Cincinnati Children's Hospital Medical Center, Ohio
| | | | | | - Mary E Wikswo
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Daniel C Payne
- Centers for Disease Control and Prevention, Atlanta, Georgia
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Ward ML, Mijatovic-Rustempasic S, Roy S, Rungsrisuriyachai K, Boom JA, Sahni LC, Baker CJ, Rench MA, Wikswo ME, Payne DC, Parashar UD, Bowen MD. Molecular characterization of the first G24P[14] rotavirus strain detected in humans. Infect Genet Evol 2016; 43:338-42. [PMID: 27237948 DOI: 10.1016/j.meegid.2016.05.033] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 05/23/2016] [Accepted: 05/24/2016] [Indexed: 11/15/2022]
Abstract
Here we report the genome of a novel rotavirus A (RVA) strain detected in a stool sample collected during routine surveillance by the Centers for Disease Control and Prevention's New Vaccine Surveillance Network. The strain, RVA/human-wt/USA/2012741499/2012/G24P[14], has a genomic constellation of G24-P[14]-I2-R2-C2-M2-A3-N2-T9-E2-H3. The VP2, VP3, VP7 and NSP3 genes cluster phylogenetically with bovine strains. The other genes occupy mixed clades containing animal and human strains. Strain RVA/human-wt/USA/2012741499/2012/G24P[14] most likely is the product of interspecies transmission and reassortment events. This is the second report of the G24 genotype and the first report of the G24P[14] genotype combination in humans.
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Affiliation(s)
- M Leanne Ward
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.
| | - Slavica Mijatovic-Rustempasic
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.
| | - Sunando Roy
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.
| | - Kunchala Rungsrisuriyachai
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.
| | - Julie A Boom
- Texas Children's Hospital, Houston, TX, USA; Baylor College of Medicine, Houston, TX, USA.
| | | | - Carol J Baker
- Texas Children's Hospital, Houston, TX, USA; Baylor College of Medicine, Houston, TX, USA.
| | - Marcia A Rench
- Texas Children's Hospital, Houston, TX, USA; Baylor College of Medicine, Houston, TX, USA.
| | - Mary E Wikswo
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.
| | - Daniel C Payne
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.
| | - Umesh D Parashar
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.
| | - Michael D Bowen
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.
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Abedi GR, Prill MM, Langley GE, Wikswo ME, Weinberg GA, Curns AT, Schneider E. Estimates of Parainfluenza Virus-Associated Hospitalizations and Cost Among Children Aged Less Than 5 Years in the United States, 1998-2010. J Pediatric Infect Dis Soc 2016; 5:7-13. [PMID: 26908486 PMCID: PMC5813689 DOI: 10.1093/jpids/piu047] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Accepted: 04/30/2014] [Indexed: 11/12/2022]
Abstract
BACKGROUND Parainfluenza virus (PIV) is the second leading cause of hospitalization for respiratory illness in young children in the United States. Infection can result in a full range of respiratory illness, including bronchiolitis, croup, and pneumonia. The recognized human subtypes of PIV are numbered 1-4. This study calculates estimates of PIV-associated hospitalizations among U.S. children younger than 5 years using the latest available data. METHODS Data from the National Respiratory and Enteric Virus Surveillance System were used to characterize seasonal PIV trends from July 2004 through June 2010. To estimate the number of PIV-associated hospitalizations that occurred annually among U.S. children aged <5 years from 1998 through 2010, respiratory hospitalizations from the Healthcare Cost and Utilization Project Nationwide Inpatient Sample were multiplied by the proportion of acute respiratory infection hospitalizations positive for PIV among young children enrolled in the New Vaccine Surveillance Network. Estimates of hospitalization charges attributable to PIV infection were also calculated. RESULTS Parainfluenza virus seasonality follows type-specific seasonal patterns, with PIV-1 circulating in odd-numbered years and PIV-2 and -3 circulating annually. The average annual estimates of PIV-associated bronchiolitis, croup, and pneumonia hospitalizations among children aged <5 years in the United States were 3888 (0.2 hospitalizations per 1000), 8481 per year (0.4 per 1000 children), and 10,186 (0.5 per 1000 children), respectively. Annual charges for PIV-associated bronchiolitis, croup, and pneumonia hospitalizations were approximately $43 million, $58 million, and $158 million, respectively. CONCLUSIONS The majority of PIV-associated hospitalizations in young children occur among those aged 0 to 2 years. When vaccines for PIV become available, immunization would be most effective if realized within the first year of life.
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Affiliation(s)
- Glen R. Abedi
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mila M. Prill
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Gayle E. Langley
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mary E. Wikswo
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Geoffrey A. Weinberg
- Division of Pediatric Infectious Diseases, University of Rochester School of Medicine and Dentistry, New York
| | - Aaron T. Curns
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Eileen Schneider
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
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Wikswo ME, Kambhampati A, Shioda K, Walsh KA, Bowen A, Hall AJ. Outbreaks of Acute Gastroenteritis Transmitted by Person-to-Person Contact, Environmental Contamination, and Unknown Modes of Transmission--United States, 2009-2013. MMWR Surveill Summ 2015; 64:1-16. [PMID: 26656915 DOI: 10.15585/mmwr.mm6412a1] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
PROBLEM/CONDITION Acute gastroenteritis (AGE) is a major cause of illness in the United States, with an estimated 179 million episodes annually. AGE outbreaks propagated through direct person-to-person contact, contaminated environmental surfaces, and unknown modes of transmission were not systematically captured at the national level before 2009 and thus were not well characterized. REPORTING PERIOD 2009-2013. DESCRIPTION OF SYSTEM The National Outbreak Reporting System (NORS) is a voluntary national reporting system that supports reporting of all waterborne and foodborne disease outbreaks and all AGE outbreaks resulting from transmission by contact with contaminated environmental sources, infected persons or animals, or unknown modes. Local, state, and territorial public health agencies within the 50 U.S. states, the District of Columbia (DC), five U.S. territories, and three Freely Associated States report outbreaks to CDC via NORS using a standard online data entry system. RESULTS A total of 10,756 AGE outbreaks occurred during 2009-2013, for which the primary mode of transmission occurred through person-to-person contact, environmental contamination, and unknown modes of transmission. NORS received reports from public health agencies in 50 U.S. states, DC, and Puerto Rico. These outbreaks resulted in 356,532 reported illnesses, 5,394 hospitalizations, and 459 deaths. The median outbreak reporting rate for all sites in a given year increased from 2.7 outbreaks per million population in 2009 to 11.8 outbreaks in 2013. The etiology was unknown in 31% (N = 3,326) of outbreaks. Of the 7,430 outbreaks with a suspected or confirmed etiology reported, norovirus was the most common, reported in 6,223 (84%) of these outbreaks. Other reported suspected or confirmed etiologies included Shigella (n = 332) and Salmonella (n = 320). Outbreaks were more frequent during the winter, with 5,716 (53%) outbreaks occurring during December-February, and 70% of the 7,001 outbreaks with a reported setting of exposure occurred in long-term-care facilities (n = 4,894). In contrast, 59% (n = 143) of shigellosis outbreaks, 36% (n = 30) of salmonellosis outbreaks, and 32% (n = 84) of other or multiple etiology outbreaks were identified in child care facilities. INTERPRETATION NORS is the first U.S. surveillance system that provides national data on AGE outbreaks spread through person-to-person contact, environmental contamination, and unknown modes of transmission. The increase in reporting rates during 2009-2013 indicates that reporting to NORS improved notably in the 5 years since its inception. Norovirus is the most commonly reported cause of these outbreaks and, on the basis of epidemiologic data, might account for a substantial proportion of outbreaks without a reported etiology. During 2009-2013, norovirus accounted for most deaths and health care visits in AGE outbreaks spread through person-to-person contact, environmental contamination, and unknown modes of transmission. PUBLIC HEALTH ACTION Recommendations for prevention and control of AGE outbreaks transmitted through person-to-person contact, environmental contamination, and unknown modes of transmission depend primarily on appropriate hand hygiene, environmental disinfection, and isolation of ill persons. NORS surveillance data can help identify priority targets for the development of future control strategies, including hygiene interventions and vaccines, and help monitor the frequency and severity of AGE outbreaks in the United States. Ongoing study of these AGE outbreaks can provide a better understanding of certain pathogens and their modes of transmission. For example, certain reported outbreak etiologies (e.g., Salmonella) are considered primarily foodborne pathogens but can be transmitted through multiple routes. Similarly, further examination of outbreaks of unknown etiology could help identify barriers to making an etiologic determination, to analyze clinical and epidemiologic clues suggestive of a probable etiology, and to discover new and emerging etiologic agents. Outbreak reporting to NORS has improved substantially since its inception, and further outreach efforts and system improvements might facilitate additional increases in the number and completeness of reports to NORS.
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Affiliation(s)
- Mary E Wikswo
- 1Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, CDC
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45
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Hofstetter AM, Lacombe K, Klein EJ, Jones C, Strelitz B, Jacobson E, Ranade D, Wikswo ME, Bowen MD, Parashar UD, Payne D, Englund J. Rotavirus Vaccine Uptake, Shedding, and Lack of Nosocomial Spread in Infants Hospitalized in the Neonatal Intensive Care Unit. Open Forum Infect Dis 2015. [DOI: 10.1093/ofid/ofv133.1467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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46
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Wikswo ME, Payne D, Lopman B, Selvarangan R, Azimi PH, Boom J, Englund J, Staat MA, Halasa N, Szilagyi PG, Bowen MD, Parashar UD. Suspected Household Transmission of Rotavirus in the United States. Open Forum Infect Dis 2015. [DOI: 10.1093/ofid/ofv133.357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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47
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Pahud B, Harrison C, Hassan F, Halasa N, Chappell JD, Englund J, Klein E, Szilagyi PG, Weinberg G, Polage C, Wikswo ME, Mcdonald LC, Payne D, Selvarangan R. Detection of Clostridium difficile by Real-Time Polymerase Chain Reaction in Young Children Does Not Predict Diarrhea. Open Forum Infect Dis 2015. [DOI: 10.1093/ofid/ofv133.668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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48
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Islam S, Selvarangan R, Chohan R, Chappell JD, Mchenry R, Dighe A, Kanwar N, Halasa N, Wikswo ME, Payne D, Azimi PH, Gomez-Duarte O. Antibiotic-Resistant Enterobacteriaceae Colonization in Healthy Children in the United States. Open Forum Infect Dis 2015. [DOI: 10.1093/ofid/ofv131.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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49
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Roy S, Rungsrisuriyachai K, Esona MD, Boom JA, Sahni LC, Rench MA, Baker CJ, Wikswo ME, Payne DC, Parashar UD, Bowen MD. G2P[4]-RotaTeq Reassortant Rotavirus in Vaccinated Child, United States. Emerg Infect Dis 2015; 21:2103-4. [PMID: 26488454 PMCID: PMC4622260 DOI: 10.3201/eid2111.150850] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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50
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Payne DC, Selvarangan R, Azimi PH, Boom JA, Englund JA, Staat MA, Halasa NB, Weinberg GA, Szilagyi PG, Chappell J, McNeal M, Klein EJ, Sahni LC, Johnston SH, Harrison CJ, Baker CJ, Bernstein DI, Moffatt ME, Tate JE, Mijatovic-Rustempasic S, Esona MD, Wikswo ME, Curns AT, Sulemana I, Bowen MD, Gentsch JR, Parashar UD. Long-term Consistency in Rotavirus Vaccine Protection: RV5 and RV1 Vaccine Effectiveness in US Children, 2012-2013. Clin Infect Dis 2015; 61:1792-9. [PMID: 26449565 DOI: 10.1093/cid/civ872] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 09/24/2015] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Using a multicenter, active surveillance network from 2 rotavirus seasons (2012 and 2013), we assessed the vaccine effectiveness of RV5 (RotaTeq) and RV1 (Rotarix) rotavirus vaccines in preventing rotavirus gastroenteritis hospitalizations and emergency department (ED) visits for numerous demographic and secular strata. METHODS We enrolled children hospitalized or visiting the ED with acute gastroenteritis (AGE) for the 2012 and 2013 seasons at 7 medical institutions. Stool specimens were tested for rotavirus by enzyme immunoassay and genotyped, and rotavirus vaccination histories were compared for rotavirus-positive cases and rotavirus-negative AGE controls. We calculated the vaccine effectiveness (VE) for preventing rotavirus associated hospitalizations and ED visits for each vaccine, stratified by vaccine dose, season, clinical setting, age, predominant genotype, and ethnicity. RESULTS RV5-specific VE analyses included 2961 subjects, 402 rotavirus cases (14%) and 2559 rotavirus-negative AGE controls. RV1-specific VE analyses included 904 subjects, 100 rotavirus cases (11%), and 804 rotavirus-negative AGE controls. Over the 2 rotavirus seasons, the VE for a complete 3-dose vaccination with RV5 was 80% (confidence interval [CI], 74%-84%), and VE for a complete 2-dose vaccination with RV1 was 80% (CI, 68%-88%).Statistically significant VE was observed for each year of life for which sufficient data allowed analysis (7 years for RV5 and 3 years for RV1). Both vaccines provided statistically significant genotype-specific protection against predominant circulating rotavirus strains. CONCLUSIONS In this large, geographically and demographically diverse sample of US children, we observed that RV5 and RV1 rotavirus vaccines each provided a lasting and broadly heterologous protection against rotavirus gastroenteritis.
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Affiliation(s)
- Daniel C Payne
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | | | - Julie A Boom
- Texas Children's Hospital Baylor College of Medicine, Houston, Texas
| | | | | | | | | | - Peter G Szilagyi
- University of Rochester School of Medicine and Dentistry, New York University of California, Los Angeles
| | - James Chappell
- Vanderbilt University Medical Center, Nashville, Tennessee
| | | | | | | | | | | | | | | | | | - Jacqueline E Tate
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Slavica Mijatovic-Rustempasic
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mathew D Esona
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mary E Wikswo
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Aaron T Curns
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Iddrisu Sulemana
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Michael D Bowen
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Jon R Gentsch
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Umesh D Parashar
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
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