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Surie D, Huang JY, Brown AC, Gable P, Biedron C, Gilbert SE, Garner K, Bollinger S, Gulley T, Haney T, Lyons AK, Beshearse E, Gregory CJ, Sabour S, Clemmons NS, James AE, Tamin A, Reese N, Perry-Dow KA, Brown R, Harcourt JL, Campbell D, Houston H, Chakravorty R, Paulick A, Whitaker B, Murdoch J, Spicer L, Stumpf MM, Mills L, Coughlin MM, Higdem P, Rasheed MAU, Lonsway D, Bhatnagar A, Kothari A, Anderson K, Thornburg NJ, Breaker E, Adamczyk M, McAllister GA, Halpin AL, Seely KA, Patil N, McDonald LC, Kutty PK. Infectious Period of Severe Acute Respiratory Syndrome Coronavirus 2 in 17 Nursing Home Residents-Arkansas, June-August 2020. Open Forum Infect Dis 2021; 8:ofab048. [PMID: 33723510 PMCID: PMC7928697 DOI: 10.1093/ofid/ofab048] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 01/28/2021] [Indexed: 12/18/2022] Open
Abstract
Background To estimate the infectious period of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in older adults with underlying conditions, we assessed duration of coronavirus disease 2019 (COVID-19) symptoms, reverse-transcription polymerase chain reaction (RT-PCR) positivity, and culture positivity among nursing home residents. Methods We enrolled residents within 15 days of their first positive SARS-CoV-2 test (diagnosis) at an Arkansas facility from July 7 to 15, 2020 and instead them for 42 days. Every 3 days for 21 days and then weekly, we assessed COVID-19 symptoms, collected specimens (oropharyngeal, anterior nares, and saliva), and reviewed medical charts. Blood for serology was collected on days 0, 6, 12, 21, and 42. Infectivity was defined by positive culture. Duration of culture positivity was compared with duration of COVID-19 symptoms and RT-PCR positivity. Data were summarized using measures of central tendency, frequencies, and proportions. Results We enrolled 17 of 39 (44%) eligible residents. Median participant age was 82 years (range, 58–97 years). All had ≥3 underlying conditions. Median duration of RT-PCR positivity was 22 days (interquartile range [IQR], 8–31 days) from diagnosis; median duration of symptoms was 42 days (IQR, 28–49 days). Of 9 (53%) participants with any culture-positive specimens, 1 (11%) severely immunocompromised participant remained culture-positive 19 days from diagnosis; 8 of 9 (89%) were culture-positive ≤8 days from diagnosis. Seroconversion occurred in 12 of 12 (100%) surviving participants with ≥1 blood specimen; all participants were culture-negative before seroconversion. Conclusions Duration of infectivity was considerably shorter than duration of symptoms and RT-PCR positivity. Severe immunocompromise may prolong SARS-CoV-2 infectivity. Seroconversion indicated noninfectivity in this cohort.
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Affiliation(s)
- Diya Surie
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Jennifer Y Huang
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Allison C Brown
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Paige Gable
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Caitlin Biedron
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Sarah E Gilbert
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Kelley Garner
- Arkansas Department of Health, Little Rock, Arkansas, USA
| | - Susan Bollinger
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Trent Gulley
- Arkansas Department of Health, Little Rock, Arkansas, USA
| | - Tafarra Haney
- Arkansas Department of Health, Little Rock, Arkansas, USA
| | - Amanda K Lyons
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Elizabeth Beshearse
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.,Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Christopher J Gregory
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Sarah Sabour
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Nakia S Clemmons
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Allison E James
- Arkansas Department of Health, Little Rock, Arkansas, USA.,Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Azaibi Tamin
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Natashia Reese
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - K Allison Perry-Dow
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Robin Brown
- Arkansas Department of Health, Little Rock, Arkansas, USA
| | - Jennifer L Harcourt
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Davina Campbell
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Hollis Houston
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | | | - Ashley Paulick
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Brett Whitaker
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Jordan Murdoch
- Arkansas Department of Health, Little Rock, Arkansas, USA
| | - Lori Spicer
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Megan M Stumpf
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Lisa Mills
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Melissa M Coughlin
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Pamela Higdem
- Arkansas Department of Health, Little Rock, Arkansas, USA
| | | | - David Lonsway
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Amelia Bhatnagar
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Atul Kothari
- Arkansas Department of Health, Little Rock, Arkansas, USA
| | - Karen Anderson
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Natalie J Thornburg
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Erin Breaker
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Michelle Adamczyk
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Gillian A McAllister
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Alison L Halpin
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | | | - Naveen Patil
- Arkansas Department of Health, Little Rock, Arkansas, USA
| | - L Clifford McDonald
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Preeta K Kutty
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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