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Klug L, Lorenz P, Addo MM, Lohse AW, Manthey C, Reuken P, Stallmach A, Jansen PL. Leitlinienreport der aktualisierten S2k-Leitlinie Gastrointestinale Infektionen der Deutschen Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS). ZEITSCHRIFT FUR GASTROENTEROLOGIE 2024; 62:e517-e530. [PMID: 38976981 DOI: 10.1055/a-2240-1706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Affiliation(s)
- Lars Klug
- Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Berlin, Deutschland
| | - Pia Lorenz
- Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Berlin, Deutschland
| | - Marylyn M Addo
- I. Medizinische Klinik und Poliklinik Gastroenterologie, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
| | - Ansgar W Lohse
- I. Medizinische Klinik und Poliklinik Gastroenterologie, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
| | - Carolin Manthey
- I. Medizinische Klinik und Poliklinik Gastroenterologie, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
- Gemeinschaftspraxis Innere Medizin Witten, Witten, Deutschland
| | - Philipp Reuken
- Klinik für Innere Medizin IV (Gastroenterologie, Hepatologie, Infektiologie, zentrale Endoskopie) Universitätsklinikum Jena, Jena, Deutschland
| | - Andreas Stallmach
- Klinik für Innere Medizin IV (Gastroenterologie, Hepatologie, Infektiologie, zentrale Endoskopie) Universitätsklinikum Jena, Jena, Deutschland
| | - Petra Lynen Jansen
- Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Berlin, Deutschland
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Manthey CF, Epple HJ, Keller KM, Lübbert C, Posovszky C, Ramharter M, Reuken P, Suerbaum S, Vehreschild M, Weinke T, Addo MM, Stallmach A, Lohse AW. S2k-Leitlinie Gastrointestinale Infektionen der Deutschen Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS). ZEITSCHRIFT FUR GASTROENTEROLOGIE 2024; 62:1090-1149. [PMID: 38976986 DOI: 10.1055/a-2240-1428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Affiliation(s)
- Carolin F Manthey
- I. Medizinische Klinik und Poliklinik - Schwerpunkt Gastroenterologie; Sektionen Infektions- und Tropenmedizin, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
- Gemeinschaftspraxis Innere Medizin Witten, Witten, Deutschland
| | - Hans-Jörg Epple
- Antibiotic Stewardship, Vorstand Krankenversorgung, Universitätsmedizin Berlin, Berlin, Deutschland
| | - Klaus-Michael Keller
- Klinik für Kinder- und Jugendmedizin, Helios Dr. Horst Schmidt Kliniken, Klinik für Kinder- und Jugendmedizin, Wiesbaden, Deutschland
| | - Christoph Lübbert
- Bereich Infektiologie und Tropenmedizin, Medizinische Klinik I (Hämatologie, Zelltherapie, Infektiologie und Hämostaseologie), Universitätsklinikum Leipzig, Leipzig, Deutschland
| | | | - Michael Ramharter
- I. Medizinische Klinik und Poliklinik - Schwerpunkt Gastroenterologie; Sektionen Infektions- und Tropenmedizin, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
| | - Philipp Reuken
- Klinik für Innere Medizin IV (Gastroenterologie, Hepatologie, Infektiologie, Zentrale Endoskopie), Universitätsklinikum Jena, Jena, Deutschland
| | - Sebastian Suerbaum
- Universität München, Max von Pettenkofer-Institut für Hygiene und Medizinische Mikrobiologie, München, Deutschland
| | - Maria Vehreschild
- Medizinische Klinik II, Universitätsklinikum Frankfurt, Frankfurt, Deutschland
| | - Thomas Weinke
- Klinik für Gastroenterologie und Infektiologie, Klinikum Ernst von Bergmann, Potsdam, Deutschland
| | - Marylyn M Addo
- I. Medizinische Klinik und Poliklinik - Schwerpunkt Gastroenterologie; Sektionen Infektions- und Tropenmedizin, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
- Institut für Infektionsforschung und Impfstoffentwicklung Sektion Infektiologie, I. Med. Klinik, Zentrum für Innere Medizin, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
| | - Andreas Stallmach
- Klinik für Innere Medizin IV (Gastroenterologie, Hepatologie, Infektiologie, Zentrale Endoskopie), Universitätsklinikum Jena, Jena, Deutschland
| | - Ansgar W Lohse
- I. Medizinische Klinik und Poliklinik - Schwerpunkt Gastroenterologie; Sektionen Infektions- und Tropenmedizin, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
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Drews SJ, Charlton C, O'Brien SF, Burugu S, Denomme GA. Decreasing parvovirus B19 and hepatitis A nucleic acid test positivity rates in Canadian plasma donors following the initiation of COVID-19 restriction in March 2020. Vox Sang 2024; 119:624-629. [PMID: 38482941 DOI: 10.1111/vox.13616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/09/2024] [Accepted: 02/23/2024] [Indexed: 06/12/2024]
Abstract
BACKGROUND AND OBJECTIVES In Canada, plasma sent for fractionation is tested for both parvovirus B19 (B19V) and hepatitis A virus (HAV). This study compared positivity rates of B19 and HAV nucleic acid tests (NATs) in Canadian plasma samples for the pre-COVID-19 restriction era (2015 to end of February 2020 [Q1] 2020) and the post-COVID-19 restriction era. MATERIALS AND METHODS Pooled EDTA plasma specimens were tested within 24 months of blood draw using the Procleix Panther System (Grifols Diagnostic Solutions Inc, San Diego, CA, USA) for B19V and HAV detection. Reactive pools were resolved by individual specimen testing. RESULTS Between 1 January 2015, and 31 March 2022, 3,928,619 specimens from Canadian plasma donors were tested for B19V. For the same period, 3,922,954 specimens were tested for HAV. To account for a lag in specimen testing for up to 24 months, the data were divided into: (1) a pre-pandemic period (1 January 2015-31 March 2020; B19V tested n = 2,412,701, B19V NAT-positive n = 240 [0.01%], HAV tested n = 2,407,036, HAV NAT-positive n = 26 [0.001%]); (2) a two-year mixed-impact period (1 April 2020-31 March 2022; B19V tested n = 968,250, B19V NAT-positive n = 14 [0.001%], HAV tested n = 968,250, HAV NAT-positive n = 2 [0.0002%]); and (3) a pandemic-impact period (1 April 2022-31 March, 2023; B19V tested n = 597,668, B19V NAT-positive n = 3 [0.0005%], HAV tested n = 597,668, HAV NAT-positive n = 1 [0.0002%]). CONCLUSION The percentage of B19V- and HAV-positive donations was significantly reduced from the pre-pandemic period to the pandemic-impact period.
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Affiliation(s)
- Steven J Drews
- Microbiology, Canadian Blood Services, Edmonton, Alberta, Canada
- Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - Carmen Charlton
- Microbiology, Canadian Blood Services, Edmonton, Alberta, Canada
- Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - Sheila F O'Brien
- Epidemiology and Surveillance, Canadian Blood Services, Ottawa, Ontario, Canada
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
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Udompat P, Srimuang K, Doungngern P, Thippamom N, Petcharat S, Rattanatumhi K, Khiewbanyang S, Taweewigyakarn P, Kripattanapong S, Ninwattana S, Supataragul A, Sterling SL, Klungthong C, Joonlasak K, Manasatienkij W, Cotrone TS, Fernandez S, Wacharapluesadee S, Putcharoen O. An unusual diarrheal outbreak in the community in Eastern Thailand caused by Norovirus GII.3[P25]. Virol J 2024; 21:21. [PMID: 38243289 PMCID: PMC10797983 DOI: 10.1186/s12985-024-02296-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 01/12/2024] [Indexed: 01/21/2024] Open
Abstract
BACKGROUND Sentinel laboratory surveillance for diarrheal disease determined norovirus to be the most common cause of non-bacterial gastroenteritis in people during the COVID-19 pandemic in Thailand. An increase in patients presenting with diarrhea and vomiting in hospitals across Chanthaburi province between December 2021 and January 2022 led to the need for the identification of viral pathogens that may be responsible for the outbreak. METHODS Fecal samples (rectal swabs or stool) from 93 patients, of which 65 patients were collected during the December 2021 to January 2022 outbreak, were collected and screened for viral infection by real-time RT-PCR. Positive samples for norovirus GII were then genotyped by targeted amplification and sequencing of partial polymerase and capsid genes. Full genome sequencing was performed from the predominant strain, GII.3[P25]. RESULTS Norovirus was the most common virus detected in human fecal samples in this study. 39 of 65 outbreak samples (60%) and 3 of 28 (10%) non-outbreak samples were positive for norovirus genogroup II. One was positive for rotavirus, and one indicated co-infection with rotavirus and norovirus genogroups I and II. Nucleotide sequences of VP1 and RdRp gene were successfully obtained from 28 of 39 positive norovirus GII and used for dual-typing; 25/28 (89.3%) were GII.3, and 24/28 (85.7) were GII.P25, respectively. Norovirus GII.3[P25] was the predominant strain responsible for this outbreak. The full genome sequence of norovirus GII.3[P25] from our study is the first reported in Thailand and has 98.62% and 98.57% similarity to norovirus found in China in 2021 and the USA in 2022, respectively. We further demonstrate the presence of multiple co-circulating norovirus genotypes, including GII.21[P21], GII.17[P17], GII.3[P12] and GII.4[P31] in our study. CONCLUSIONS An unusual diarrhea outbreak was found in December 2021 in eastern Thailand. Norovirus strain GII.3[P25] was the cause of the outbreak and was first detected in Thailand. The positive rate during GII.3[P25] outbreak was six times higher than sporadic cases (GII.4), and, atypically, adults were the primary infected population rather than children.
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Affiliation(s)
| | - Krongkan Srimuang
- Thai Red Cross Emerging Infectious Diseases Clinical Center, King Chulalongkorn Memorial Hospital, Rama IV Road, Pathumwan, Bangkok, 10330, Thailand
| | - Pawinee Doungngern
- Division of Epidemiology, Department of Disease Control, Ministry of Public Health, Muang, Nonthaburi, 11000, Thailand
| | - Nattakarn Thippamom
- Thai Red Cross Emerging Infectious Diseases Clinical Center, King Chulalongkorn Memorial Hospital, Rama IV Road, Pathumwan, Bangkok, 10330, Thailand
| | - Sininat Petcharat
- Thai Red Cross Emerging Infectious Diseases Clinical Center, King Chulalongkorn Memorial Hospital, Rama IV Road, Pathumwan, Bangkok, 10330, Thailand
| | - Khwankamon Rattanatumhi
- Thai Red Cross Emerging Infectious Diseases Clinical Center, King Chulalongkorn Memorial Hospital, Rama IV Road, Pathumwan, Bangkok, 10330, Thailand
| | - Sirorat Khiewbanyang
- Division of Epidemiology, Department of Disease Control, Ministry of Public Health, Muang, Nonthaburi, 11000, Thailand
| | - Pantila Taweewigyakarn
- Division of Epidemiology, Department of Disease Control, Ministry of Public Health, Muang, Nonthaburi, 11000, Thailand
| | - Somkid Kripattanapong
- Division of Epidemiology, Department of Disease Control, Ministry of Public Health, Muang, Nonthaburi, 11000, Thailand
| | - Sasiprapa Ninwattana
- Thai Red Cross Emerging Infectious Diseases Clinical Center, King Chulalongkorn Memorial Hospital, Rama IV Road, Pathumwan, Bangkok, 10330, Thailand
- Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Ananporn Supataragul
- Thai Red Cross Emerging Infectious Diseases Clinical Center, King Chulalongkorn Memorial Hospital, Rama IV Road, Pathumwan, Bangkok, 10330, Thailand
| | - Spencer L Sterling
- Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
- Henry M. Jackson Foundation, Bethesda, MD, USA
| | - Chonticha Klungthong
- Department of Virology, Armed Forces Research Institute of Medical Sciences, Bangkok, 10400, Thailand
| | - Khajohn Joonlasak
- Department of Virology, Armed Forces Research Institute of Medical Sciences, Bangkok, 10400, Thailand
| | - Wudtichai Manasatienkij
- Department of Virology, Armed Forces Research Institute of Medical Sciences, Bangkok, 10400, Thailand
| | - Thomas S Cotrone
- Department of Virology, Armed Forces Research Institute of Medical Sciences, Bangkok, 10400, Thailand
| | - Stefan Fernandez
- Department of Virology, Armed Forces Research Institute of Medical Sciences, Bangkok, 10400, Thailand
| | - Supaporn Wacharapluesadee
- Thai Red Cross Emerging Infectious Diseases Clinical Center, King Chulalongkorn Memorial Hospital, Rama IV Road, Pathumwan, Bangkok, 10330, Thailand.
| | - Opass Putcharoen
- Thai Red Cross Emerging Infectious Diseases Clinical Center, King Chulalongkorn Memorial Hospital, Rama IV Road, Pathumwan, Bangkok, 10330, Thailand.
- Division of Infectious Diseases, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand.
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Sarmento SK, de Andrade JDSR, Malta FC, Fialho AM, Mello MDS, Burlandy FM, Fumian TM. Norovirus Epidemiology and Genotype Circulation during the COVID-19 Pandemic in Brazil, 2019-2022. Pathogens 2023; 13:3. [PMID: 38276149 PMCID: PMC10818385 DOI: 10.3390/pathogens13010003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 01/27/2024] Open
Abstract
Norovirus stands out as a leading cause of acute gastroenteritis (AGE) worldwide, affecting all age groups. In the present study, we investigated fecal samples from medically attended AGE patients received from nine Brazilian states, from 2019 to 2022, including the COVID-19 pandemic period. Norovirus GI and GII were detected and quantified using RT-qPCR, and norovirus-positive samples underwent genotyping through sequencing the ORF1/2 junction region. During the four-year period, norovirus prevalence was 37.2%, varying from 20.1% in 2020 to 55.4% in 2021. GII genotypes dominated, being detected in 92.9% of samples. GII-infected patients had significantly higher viral concentrations compared to GI-infected patients (median of 3.8 × 107 GC/g and 6.7 × 105 GC/g, respectively); and patients aged >12-24 months showed a higher median viral load (8 × 107 GC/g) compared to other age groups. Norovirus sequencing revealed 20 genotypes by phylogenetic analysis of RdRp and VP1 partial regions. GII.4 Sydney[P16] was the dominant genotype (57.3%), especially in 2019 and 2021, followed by GII.2[P16] (14.8%) and GII.6[P7] (6.3%). The intergenogroup recombinant genotype, GIX.1[GII.P15], was detected in five samples. Our study is the first to explore norovirus epidemiology and genotype distribution in Brazil during COVID-19, and contributes to understanding the epidemiological dynamics of norovirus and highlighting the importance of continuing to follow norovirus surveillance programs in Brazil.
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Affiliation(s)
| | | | | | | | | | | | - Tulio Machado Fumian
- Laboratory of Comparative and Environmental Virology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21045-900, RJ, Brazil (F.M.B.)
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Khumela R, Kabue JP, de Moraes MTB, Traore AN, Potgieter N. Prevalence of Human Norovirus GII.4 Sydney 2012 [P31] between 2019 and 2021 among Young Children from Rural Communities in South Africa. Viruses 2023; 15:1682. [PMID: 37632024 PMCID: PMC10458076 DOI: 10.3390/v15081682] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/31/2023] [Accepted: 07/31/2023] [Indexed: 08/27/2023] Open
Abstract
Acute gastroenteritis (AGE) accounts for considerable morbidity and mortality in the paediatric population worldwide, especially in low-income countries. Human norovirus (HNoV), particularly GII.4 strains, are important agents of AGE. This study aimed to detect and characterise HNoV in children with and without AGE. Between 2019 and 2021, 300 stool samples (200 AGE and 100 without AGE) were collected from children below 5 years of age referred to the healthcare facilities of the rural communities of Vhembe District, South Africa. After detection using real-time RT-PCR, HNoV positive samples were subjected to RT-PCR and Sanger sequencing. Partial nucleotide sequences (capsid/RdRp) were aligned using the Muscle tool, and phylogenetic analysis was performed using MEGA 11. The nucleotides' percent identity among HNoV strains was compared using ClustalW software. A significant difference in HNoV prevalence between AGE children (37%; 74/200) and non-AGE (14%; 14/100) was confirmed (p < 0.0001). Genogroup II (GII) HNoV was predominant in AGE children (80%; 59/74), whereas most non-AGE children were infected by the GI norovirus genogroup (64%; 9/14). GII.4 Sydney 2012 [P31] strains were dominant (59%; 19/32) during the study period. A phylogenetic analysis revealed a close relationship between the HNoV strains identified in this study and those circulating worldwide; however, ClustalW showed less than 50% nucleotide similarity between strains from this study and those from previously reported norovirus studies in the same region. Our findings indicate significant changes over time in the circulation of HNoV strains, as well as the association between high HNoV prevalence and AGE symptoms within the study area. The monitoring of HuNoV epidemiology, along with stringent preventive measures to mitigate the viral spread and the burden of AGE, are warranted.
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Affiliation(s)
- Ronewa Khumela
- Department of Biochemistry and Microbiology, Faculty of Science, Engineering and Agriculture, University of Venda, Private Bag X5050, Thohoyandou 0950, South Africa; (J.-P.K.); (A.N.T.); (N.P.)
| | - Jean-Pierre Kabue
- Department of Biochemistry and Microbiology, Faculty of Science, Engineering and Agriculture, University of Venda, Private Bag X5050, Thohoyandou 0950, South Africa; (J.-P.K.); (A.N.T.); (N.P.)
| | - Marcia Terezinha Baroni de Moraes
- Laboratory of Comparative and Environmental Virology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Avenida Brazil, 4365-Manguinhos, Rio de Janeiro 21040-360, RJ, Brazil;
| | - Afsatou Ndama Traore
- Department of Biochemistry and Microbiology, Faculty of Science, Engineering and Agriculture, University of Venda, Private Bag X5050, Thohoyandou 0950, South Africa; (J.-P.K.); (A.N.T.); (N.P.)
| | - Natasha Potgieter
- Department of Biochemistry and Microbiology, Faculty of Science, Engineering and Agriculture, University of Venda, Private Bag X5050, Thohoyandou 0950, South Africa; (J.-P.K.); (A.N.T.); (N.P.)
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Gutierrez MB, de Assis RMS, de Andrade JDSR, Fialho AM, Fumian TM. Rotavirus A during the COVID-19 Pandemic in Brazil, 2020-2022: Emergence of G6P[8] Genotype. Viruses 2023; 15:1619. [PMID: 37631962 PMCID: PMC10458023 DOI: 10.3390/v15081619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/17/2023] [Accepted: 07/22/2023] [Indexed: 08/29/2023] Open
Abstract
Rotavirus A (RVA) remains a leading cause of acute gastroenteritis (AGE) hospitalizations in children worldwide. During the COVID-19 pandemic, a reduction in vaccination coverage in Brazil and elsewhere was observed, and some reports have demonstrated a reduction in AGE notifications during the pandemic. This study aims to investigate the diversity and prevalence of RVA genotypes in children and adults presenting with AGE symptoms in Brazil during the COVID-19 pandemic between 2020 and 2022. RVA was screened using RT-qPCR; then, G and P genotypes were characterized using one-step multiplex RT-PCR. A total of 2173 samples were investigated over the three-year period, and we detected RVA in 7.7% of samples (n = 167), being 15.5% in 2020, 0.5% in 2021, and 13.8% in 2022. Higher RVA prevalence was observed in the Northeastern region (19.3%) compared to the Southeastern (6.1%) and Southern regions (5.5%). The most affected age group was children aged between 0 and 6 months old; however, this was not statistically significant. Genotyping and phylogenetic analysis identified the emergence of G6P[8] during the period; moreover, it was detected in 10.6% of samples in 2020 and in 83.5% in 2022. In contrast, the prevalence of G3P[8], the previous dominant genotype, decreased from 72.3% in 2020 to 11.3% in 2022. We also identified unusual strains, such as G3P[9] and G9P[4], being sporadically detected during the period. This is the first report on the molecular epidemiology and surveillance of RVA during the COVID-19 pandemic period in Brazil. Our study provides evidence for the importance of maintaining high and sustainable levels of vaccine coverage to protect against RVA disease. Furthermore, it highlights the need to maintain nationwide surveillance in order to monitor future trends and changes in the epidemiology of RVA in Brazil.
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Affiliation(s)
| | | | | | | | - Tulio Machado Fumian
- Laboratório de Virologia Comparada e Ambiental, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil; (M.B.G.)
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In vivo efficacy of alcohol based hand rubs against noroviruses: A novel standardized European test method simulating practical conditions. J Hosp Infect 2023; 135:186-192. [PMID: 36921629 DOI: 10.1016/j.jhin.2023.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/20/2023] [Accepted: 03/05/2023] [Indexed: 03/16/2023]
Abstract
BACKGROUND Non-enveloped viruses are particularly resistant to disinfectants, so to prevent and control the spread of virus infections, disinfectants with proven virucidal activity must be used. However, a test such as EN 1500, which uses an internal standard as reference treatment for determining the bactericidal efficacy of hand rubs, is still lacking. We aimed to establish a European standard for testing the in vivo efficacy of hand rubs against non-enveloped viruses. METHOD First, concentration and mode of application of ethanol as reference were determined. Afterwards, the efficacies of two commonly used hand rubs were compared to this reference. Hands of volunteers were contaminated with the murine norovirus strain S99. RESULTS 70% wt/wt ethanol (2 x 3 mL in 2 x 30 seconds) was defined as internal reference treatment. The commercial ethanol based hand rub could significantly reduce the titre of norovirus in 30 seconds whereas a rub based on ethanol and propan-2-ol was significantly less effective compared to the reference. CONCLUSION We have established a possible standard for testing the in vivo efficacy of hand rubs against non-enveloped viruses using murine norovirus, a low contamination volume technique and ethanol as internal reference. Nevertheless our findings have to be confirmed in European ring trials.
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Elviss NC, Allen DJ, Kelly D, Akello JO, Hau S, Fox AJ, Hopkins M, Derrick J, O'Brien S, Iturriza‐Gomara M. Norovirus attribution study: Detection of norovirus from the commercial food preparation environment in outbreak and non-outbreak premises. J Appl Microbiol 2022; 133:3391-3403. [PMID: 35929369 PMCID: PMC9826197 DOI: 10.1111/jam.15761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 08/01/2022] [Accepted: 08/02/2022] [Indexed: 01/11/2023]
Abstract
AIMS Norovirus remains the most significant virological risk that is transmitted via food and the environment to cause acute gastroenteritis. This study aimed to investigate the hypothesis that the contamination of the commercial food production environment with norovirus will be higher in premises that have recently reported a foodborne norovirus outbreak than those that have not. METHODS Sampling of commercial food production environments was carried out across a 16-month period between January 2015 and April 2016 in the South East and the North West of England by local authority environmental health departments as part of routine surveillance visits to premises. A total of 2982 samples, 2038 virological and 944 bacteriological, were collected from 256 premises. Sixteen of these premises, six from South East and ten from North West England, were sampled as part of a public health outbreak investigation. RESULTS & CONCLUSIONS Overall, 2038 swabs were submitted for norovirus testing, with an average of eight swabs per premises (range 4 to 23) and a median of seven. Of the premises sampled, 11.7% (30/256) yielded at least one norovirus-positive sample (environmental, and/or food handler hand swab), and 2.5% of the swabs were positive for norovirus. A peak in the positivity rate was seen in the South East in April 2016. No associations were found between norovirus positivity and bacteriology indicators, or between bacteriology indicators and hygiene ratings. SIGNIFICANCE AND IMPACT OF STUDY This study demonstrates that food premises and food handlers remain a potential source of norovirus transmission and outbreaks.
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Affiliation(s)
- Nicola C. Elviss
- Food, Water and Environmental Microbiology ServicesUnited Kingdom Health Security AgencyLondonUK
| | - David J. Allen
- Department of Infection Biology, Faculty of Infectious and Tropical DiseasesLondon School of Hygiene & Tropical MedicineLondonUK,NIHR Health Protection Research Unit in Gastrointestinal InfectionsLiverpoolUK,Virus Reference DepartmentUnited Kingdom Health Security AgencyLondonUK
| | - Daniel Kelly
- Institute of Infection and Global HealthUniversity of LiverpoolLiverpoolUK
| | | | - Sarah Hau
- Institute of Infection and Global HealthUniversity of LiverpoolLiverpoolUK
| | - Andrew J. Fox
- Field ServicesUnited Kingdom Health Security AgencyLondonUK
| | - Mark Hopkins
- Liverpool Clinical LaboratoriesLiverpool University Hospitals NHS TrustLiverpoolUK
| | - Jade Derrick
- Virus Reference DepartmentUnited Kingdom Health Security AgencyLondonUK
| | - Sarah O'Brien
- The Farr Institute@HeRC, University of LiverpoolLiverpoolUK
| | - Miren Iturriza‐Gomara
- NIHR Health Protection Research Unit in Gastrointestinal InfectionsLiverpoolUK,Institute of Infection and Global HealthUniversity of LiverpoolLiverpoolUK
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Lindesmith LC, Boshier FAT, Brewer-Jensen PD, Roy S, Costantini V, Mallory ML, Zweigart M, May SR, Conrad H, O’Reilly KM, Kelly D, Celma CC, Beard S, Williams R, Tutill HJ, Becker Dreps S, Bucardo F, Allen DJ, Vinjé J, Goldstein RA, Breuer J, Baric RS. Immune Imprinting Drives Human Norovirus Potential for Global Spread. mBio 2022; 13:e0186122. [PMID: 36102514 PMCID: PMC9600701 DOI: 10.1128/mbio.01861-22] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 08/25/2022] [Indexed: 01/11/2023] Open
Abstract
Understanding the complex interactions between virus and host that drive new strain evolution is key to predicting the emergence potential of variants and informing vaccine development. Under our hypothesis, future dominant human norovirus GII.4 variants with critical antigenic properties that allow them to spread are currently circulating undetected, having diverged years earlier. Through large-scale sequencing of GII.4 surveillance samples, we identified two variants with extensive divergence within domains that mediate neutralizing antibody binding. Subsequent serological characterization of these strains using temporally resolved adult and child sera suggests that neither candidate could spread globally in adults with multiple GII.4 exposures, yet young children with minimal GII.4 exposure appear susceptible. Antigenic cartography of surveillance and outbreak sera indicates that continued population exposure to GII.4 Sydney 2012 and antigenically related variants over a 6-year period resulted in a broadening of immunity to heterogeneous GII.4 variants, including those identified here. We show that the strongest antibody responses in adults exposed to GII.4 Sydney 2012 are directed to previously circulating GII.4 viruses. Our data suggest that the broadening of antibody responses compromises establishment of strong GII.4 Sydney 2012 immunity, thereby allowing the continued persistence of GII.4 Sydney 2012 and modulating the cycle of norovirus GII.4 variant replacement. Our results indicate a cycle of norovirus GII.4 variant replacement dependent upon population immunity. Young children are susceptible to divergent variants; therefore, emergence of these strains worldwide is driven proximally by changes in adult serological immunity and distally by viral evolution that confers fitness in the context of immunity. IMPORTANCE In our model, preepidemic human norovirus variants harbor genetic diversification that translates into novel antigenic features without compromising viral fitness. Through surveillance, we identified two viruses fitting this profile, forming long branches on a phylogenetic tree. Neither evades current adult immunity, yet young children are likely susceptible. By comparing serological responses, we demonstrate that population immunity varies by age/exposure, impacting predicted susceptibility to variants. Repeat exposure to antigenically similar variants broadens antibody responses, providing immunological coverage of diverse variants but compromising response to the infecting variant, allowing continued circulation. These data indicate norovirus GII.4 variant replacement is driven distally by virus evolution and proximally by immunity in adults.
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Affiliation(s)
- Lisa C. Lindesmith
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Florencia A. T. Boshier
- Department of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
| | - Paul D. Brewer-Jensen
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Sunando Roy
- Department of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
| | - Veronica Costantini
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Michael L. Mallory
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Mark Zweigart
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Samantha R. May
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Helen Conrad
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Kathleen M. O’Reilly
- Centre for Mathematical Modelling of Infectious Diseases, Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Daniel Kelly
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Cristina C. Celma
- Enteric Virus Unit, The Virus Reference Department, UK Health Security Agency, London, United Kingdom
| | - Stuart Beard
- Enteric Virus Unit, The Virus Reference Department, UK Health Security Agency, London, United Kingdom
| | - Rachel Williams
- Department of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
- Department of Genetics & Genomic Medicine, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
| | - Helena J. Tutill
- Department of Genetics & Genomic Medicine, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
| | - Sylvia Becker Dreps
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina, USA
- Department of Family Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Filemón Bucardo
- Department of Microbiology, National Autonomous University of Nicaragua, León, León, Nicaragua
| | - David J. Allen
- Department of Infection Biology, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Jan Vinjé
- Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Richard A. Goldstein
- Division of Infection and Immunity, University College London, London, United Kingdom
| | - Judith Breuer
- Department of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
- Department of Microbiology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Ralph S. Baric
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina, USA
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11
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Leroux-Roels I, Maes C, Joye J, Jacobs B, Jarczowski F, Diessner A, Janssens Y, Waerlop G, Tamminen K, Heinimäki S, Blazevic V, Leroux-Roels G, Klimyuk V, Adachi H, Hiruta K, Thieme F. A randomized, double-blind, placebo-controlled, dose-escalating phase I trial to evaluate safety and immunogenicity of a plant-produced, bivalent, recombinant norovirus-like particle vaccine. Front Immunol 2022; 13:1021500. [PMID: 36275772 PMCID: PMC9585308 DOI: 10.3389/fimmu.2022.1021500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 09/21/2022] [Indexed: 11/21/2022] Open
Abstract
Noroviruses (NoV) are the leading cause of epidemic acute gastroenteritis in humans worldwide and a safe and effective vaccine is needed. Here, a phase I, double-blind, placebo-controlled clinical trial was performed in 60 healthy adults, 18 to 40 years old. Safety (primary objective) and immunogenicity (secondary and exploratory objectives) of a bivalent (GI.4 and GII.4), plant-produced, virus-like particle (VLP), NoV vaccine candidate formulation were investigated at two dose levels (50 µg + 50 µg and 150 µg + 150 µg) without adjuvant. Overall, 13 subjects (65.0%) in the 50 µg group, 16 subjects (80.0%) in the 150 µg group, and 14 subjects (70.0%) in the placebo group reported at least 1 solicited local or general symptom during the 7-day post-vaccination periods following each dose. Severe solicited adverse events (AEs) were rare (2 events in the 50 µg group). A total of 8 subjects (40.0%) in each group reported at least one unsolicited AE during the 28-day post-vaccination periods. Immunogenicity was assessed on days 1, 8, 29, 57, 183 and 365. All subjects were pre-exposed to norovirus as indicated by baseline levels of the different immunological parameters examined. Vaccine-specific humoral and cellular immune responses increased after the first dose but did not rise further after the second vaccination. Increased GI.4- and GII.4-specific IgG titers persisted until day 365. The vaccine elicited cross-reactive IgG antibodies against non-vaccine NoV VLPs, which was more pronounced for NoV strains of the same genotype as the GII.4 vaccine strain than for non-vaccine genotypes. Significant blocking anti-GI.4 and anti-GII.4 VLP titers were triggered in both dose groups. Lymphoproliferation assays revealed strong cell-mediated immune responses that persisted until day 365. In conclusion, both dose levels were safe and well-tolerated, and no higher incidence of AEs was observed in the higher dose group. The data show that a single dose of the vaccine formulated at 50 µg of each VLP is sufficient to reach a peak immune response after 8 to 28 days. The results of this Phase I study warrant further evaluation of the non-adjuvanted vaccine candidate.
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Affiliation(s)
- Isabel Leroux-Roels
- Center for Vaccinology (CEVAC), Ghent University and University Hospital, Ghent, Belgium
| | - Cathy Maes
- Center for Vaccinology (CEVAC), Ghent University and University Hospital, Ghent, Belgium
| | - Jasper Joye
- Center for Vaccinology (CEVAC), Ghent University and University Hospital, Ghent, Belgium
| | - Bart Jacobs
- Center for Vaccinology (CEVAC), Ghent University and University Hospital, Ghent, Belgium
| | | | | | - Yorick Janssens
- Center for Vaccinology (CEVAC), Ghent University and University Hospital, Ghent, Belgium
| | - Gwenn Waerlop
- Center for Vaccinology (CEVAC), Ghent University and University Hospital, Ghent, Belgium
| | - Kirsi Tamminen
- Vaccine Research Center, University of Tampere, Tampere, Finland
| | - Suvi Heinimäki
- Vaccine Research Center, University of Tampere, Tampere, Finland
| | - Vesna Blazevic
- Vaccine Research Center, University of Tampere, Tampere, Finland
| | - Geert Leroux-Roels
- Center for Vaccinology (CEVAC), Ghent University and University Hospital, Ghent, Belgium
| | | | - Hiroshi Adachi
- Icon Genetics GmbH, a Denka Company, Halle, Germany
- Denka Co., Ltd., Tokyo, Japan
| | - Kazuyuki Hiruta
- Icon Genetics GmbH, a Denka Company, Halle, Germany
- Denka Co., Ltd., Tokyo, Japan
| | - Frank Thieme
- Icon Genetics GmbH, a Denka Company, Halle, Germany
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12
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Oh KB, Doherty TM, Vetter V, Bonanni P. Lifting non-pharmaceutical interventions following the COVID-19 pandemic - the quiet before the storm? Expert Rev Vaccines 2022; 21:1541-1553. [PMID: 36039786 DOI: 10.1080/14760584.2022.2117693] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION In the first months of the novel coronavirus (COVID-19) pandemic that begun in 2020, non-pharmaceutical interventions (NPIs) have been adopted worldwide. However, the effects of NPI implementation go beyond slowing the spread of COVID-19. Here, we review the non-intended effects that may have arisen from prolonged application of NPIs. AREAS COVERED NPIs also affected the epidemiology of other infectious diseases, with unprecedentedly low circulation of several respiratory and gastrointestinal viruses being observed worldwide in 2020. While this was a welcome effect for already strained healthcare systems, prolonged low exposure to pathogens may result in an increased pool of individuals susceptible to certain diseases. Out-of-season or unusually intense outbreaks of non-vaccine preventable diseases have already been documented as NPIs were gradually eased. In the context of widespread and important disruptions in national vaccination programs during the early phase of the pandemic, the risk of vaccine-preventable disease resurgence after NPIs are lifted cannot be excluded either. EXPERT OPINION Awareness must be raised of the risk of vaccine-preventable disease resurgence, and efforts need to be made to mitigate this risk, where possible, by increasing vaccination coverage. Research and regulatory opportunities brought on by the COVID-19 pandemic should be seized.
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Affiliation(s)
| | | | | | - Paolo Bonanni
- Department of Health Sciences, University of Florence, Italy
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13
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Pishgar M, Harford S, Theis J, Galanter W, Rodríguez-Fernández JM, Chaisson LH, Zhang Y, Trotter A, Kochendorfer KM, Boppana A, Darabi H. A process mining- deep learning approach to predict survival in a cohort of hospitalized COVID-19 patients. BMC Med Inform Decis Mak 2022; 22:194. [PMID: 35879715 PMCID: PMC9309593 DOI: 10.1186/s12911-022-01934-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 07/04/2022] [Indexed: 11/18/2022] Open
Abstract
Background Various machine learning and artificial intelligence methods have been used to predict outcomes of hospitalized COVID-19 patients. However, process mining has not yet been used for COVID-19 prediction. We developed a process mining/deep learning approach to predict mortality among COVID-19 patients and updated the prediction in 6-h intervals during the first 72 h after hospital admission.
Methods The process mining/deep learning model produced temporal information related to the variables and incorporated demographic and clinical data to predict mortality. The mortality prediction was updated in 6-h intervals during the first 72 h after hospital admission. Moreover, the performance of the model was compared with published and self-developed traditional machine learning models that did not use time as a variable. The performance was compared using the Area Under the Receiver Operator Curve (AUROC), accuracy, sensitivity, and specificity. Results The proposed process mining/deep learning model outperformed the comparison models in almost all time intervals with a robust AUROC above 80% on a dataset that was imbalanced. Conclusions Our proposed process mining/deep learning model performed significantly better than commonly used machine learning approaches that ignore time information. Thus, time information should be incorporated in models to predict outcomes more accurately.
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Affiliation(s)
- M Pishgar
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago (UIC), 842 W Taylor Street, MC 251, Chicago, IL, 60607, USA
| | - S Harford
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago (UIC), 842 W Taylor Street, MC 251, Chicago, IL, 60607, USA
| | - J Theis
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago (UIC), 842 W Taylor Street, MC 251, Chicago, IL, 60607, USA
| | - W Galanter
- Departments of Medicine and Pharmacy Systems, Outcomes and Policy, UIC, Chicago, USA
| | | | | | - Y Zhang
- University of Illinois Hospital (UIH), UIC, Chicago, USA
| | - A Trotter
- Department of Medicine, UIC, Chicago, USA
| | | | - A Boppana
- University of Illinois Hospital (UIH), UIC, Chicago, USA
| | - H Darabi
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago (UIC), 842 W Taylor Street, MC 251, Chicago, IL, 60607, USA.
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14
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Kuitunen I, Artama M, Haapanen M, Renko M. Noro- and rotavirus detections in children during COVID-19 pandemic-A nationwide register study in Finland. Acta Paediatr 2022; 111:1978-1980. [PMID: 35675130 PMCID: PMC9348231 DOI: 10.1111/apa.16446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 06/03/2022] [Accepted: 06/07/2022] [Indexed: 12/03/2022]
Affiliation(s)
- Ilari Kuitunen
- Institute of Clinical Medicine and Department of Pediatrics, University of Eastern Finland, Kuopio, Finland.,Department of Pediatrics, Mikkeli Central Hospital, Mikkeli, Finland
| | - Miia Artama
- Faculty of Social Sciences, Tampere University, Tampere, Finland.,Department of Health Security, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Marjut Haapanen
- Institute of Clinical Medicine and Department of Pediatrics, University of Eastern Finland, Kuopio, Finland
| | - Marjo Renko
- Institute of Clinical Medicine and Department of Pediatrics, University of Eastern Finland, Kuopio, Finland.,Department of Pediatrics, Kuopio University Hospital, Kuopio, Finland
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15
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Immunogenicity of a bivalent virus-like particle norovirus vaccine in children from 1 to 8 years of age: A phase 2 randomized, double-blind study. Vaccine 2022; 40:3588-3596. [PMID: 35595661 DOI: 10.1016/j.vaccine.2022.04.089] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/22/2022] [Accepted: 04/23/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND Young children can suffer severe consequences of norovirus gastroenteritis. We performed a dose-finding study of a bivalent virus-like particle (VLP) vaccine candidate (TAK-214) in healthy 1-8-year-old children. METHODS In this phase 2 study two age cohorts (1-3 and 4-8 years of age inclusive, N = 120 per cohort) of children enrolled from Finland, Panama and Colombia were initially randomized 1:1:1:1 to four groups which were further split into two equal subgroups, to receive one or two intramuscular doses of four TAK-214 formulations containing 15/15, 15/50, 50/50 or 50/150 μg of GI.1/GII.4c genotype VLPs and 0.5 mg Al(OH)3 at 28 days interval. ELISA Pan-Ig and histoblood group antigen-blocking (HBGA) antibodies against each VLP were measured on days 1, 29, 57 and 210. Parents/guardians recorded solicited local and systemic adverse events (AE) and any unsolicited or serious AEs (SAE). RESULTS All formulations were well-tolerated across both age cohorts and dosage groups with no vaccine-related SAEs reported. Solicited AEs were mostly mild-to-moderate, resolved quickly, and did not increase after the second dose. Pan-Ig and HBGA responses induced after one dose were only slightly increased by the second dose. Across dose groups at Day 29 after one dose GI.1 Pan Ig seroresponse rates (SRR) were 82-97% and 81-96% and GII.4c SRR were 79-97% and 80-91% in 1-3 and 4-8 year-olds, respectively. Respective rates were to 92-93% and 73-92% for GI.1, and 77-100% and 62-83% for GII.4c at Day 57 following two doses. HBGA responses had similar profiles. Both Pan Ig and HBGA geometric mean titers persisted above baseline up to Day 210. CONCLUSIONS All dosages of TAK-214 displayed acceptable reactogenicity in 1-8-year-old children and induced robust, durable immune responses after one dose which are further increased after two doses.
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16
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Huang Y, Zhou N, Zhang S, Yi Y, Han Y, Liu M, Han Y, Shi N, Yang L, Wang Q, Cui T, Jin H. Norovirus detection in wastewater and its correlation with human gastroenteritis: a systematic review and meta-analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:22829-22842. [PMID: 35048346 PMCID: PMC8769679 DOI: 10.1007/s11356-021-18202-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/14/2021] [Indexed: 06/14/2023]
Abstract
Norovirus (NoV) is a major cause of sporadic cases and outbreaks of acute gastroenteritis (AGE), thereby imposing threat to health globally. It is unclear how quantitation of wastewater NoV reflects the incidence of human AGE infections; therefore, we conducted this systematic review and meta-analysis of published NoV wastewater surveillance studies. A literature search was performed, and all studies on NoV wastewater surveillance were identified. Quantitative results were evaluated. The results showed that the overall detection rate of NoV in wastewater was 82.10% (95% confidence interval [CI]: 74.22-89.92%); NoV concentration was statistically significant in terms of season (P < 0.001), with higher concentration in spring and winter. There were positive correlations between NoV GII concentration in wastewater and GII AGE cases (rs = 0.51, 95% CI: 0.18-0.74, I2 = 0%), total AGE cases (rs = 0.40, 95% CI: 0.15-0.61, I2 = 23%) and NoV outbreaks (rs = 0.47, 95% CI: 0.30-0.62, I2 = 0%). Results of cross-correlation analysis of partial data indicated that variations in GII concentration were consistent with or ahead of those in the number of AGE cases. The diversity of NoV genotypes in wastewater was elucidated, and the dominant strains in wastewater showed a consistent temporal distribution with those responsible for human AGE. Our study demonstrated the potential association of NoV detected in wastewater with AGE infections, and further studies are needed to confirm this conclusion.
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Affiliation(s)
- Yue Huang
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Nan Zhou
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Shihan Zhang
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Youqin Yi
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Ying Han
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Minqi Liu
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Yue Han
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Naiyang Shi
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Liuqing Yang
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Qiang Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Tingting Cui
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Hui Jin
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, 210009, China.
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
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17
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Lucero Y, Matson DO, Ashkenazi S, George S, O’Ryan M. Norovirus: Facts and Reflections from Past, Present, and Future. Viruses 2021; 13:v13122399. [PMID: 34960668 PMCID: PMC8707792 DOI: 10.3390/v13122399] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/18/2021] [Accepted: 11/23/2021] [Indexed: 02/07/2023] Open
Abstract
Human Norovirus is currently the main viral cause of acute gastroenteritis (AGEs) in most countries worldwide. Nearly 50 years after the discovery of the "Norwalk virus" by Kapikian and colleagues, the scientific and medical community continue to generate new knowledge on the full biological and disease spectrum of Norovirus infection. Nevertheless, several areas remain incompletely understood due to the serious constraints to effectively replicate and propagate the virus. Here, we present a narrated historic perspective and summarize our current knowledge, including insights and reflections on current points of interest for a broad medical community, including clinical and molecular epidemiology, viral-host-microbiota interactions, antivirals, and vaccine prototypes. We also include a reflection on the present and future impacts of the COVID-19 pandemic on Norovirus infection and disease.
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Affiliation(s)
- Yalda Lucero
- Microbiology and Mycology Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago 8380453, Chile; (Y.L.); (S.G.)
- Hospital Dr. Roberto del Río Hospital, Department of Pediatrics and Pediatric Surgery (Northern Campus), Faculty of Medicine, Universidad de Chile, Santiago 8380418, Chile
- Clínica Alemana de Santiago, Faculty of Medicine, Universidad del Desarrollo-Clínica Alemana, Santiago 7650568, Chile
| | - David O. Matson
- Eastern Shore Health Department, Virginia Department of Public Health, Accomack County, VA 23301, USA;
| | - Shai Ashkenazi
- Adelson School of Medicine, Ariel University, Ariel 40700, Israel;
- Department of Pediatrics A, Schneider Children’s Medical Center, Petach Tikva 49202, Israel
| | - Sergio George
- Microbiology and Mycology Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago 8380453, Chile; (Y.L.); (S.G.)
| | - Miguel O’Ryan
- Microbiology and Mycology Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago 8380453, Chile; (Y.L.); (S.G.)
- Correspondence:
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