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Kumblathan T, Liu Y, Crisol M, Pang X, Hrudey SE, Le XC, Li XF. Advances in wastewater analysis revealing the co-circulating viral trends of noroviruses and Omicron subvariants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 920:170887. [PMID: 38350564 DOI: 10.1016/j.scitotenv.2024.170887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/19/2024] [Accepted: 02/08/2024] [Indexed: 02/15/2024]
Abstract
Co-presence of enveloped and non-enveloped viruses is common both in community circulation and in wastewater. Community surveillance of infections requires robust methods enabling simultaneous quantification of multiple viruses in wastewater. Using enveloped SARS-CoV-2 Omicron subvariants and non-enveloped norovirus (NoV) as examples, this study reports a robust method that integrates electronegative membrane (EM) concentration, viral inactivation, and RNA preservation (VIP) with efficient capture and enrichment of the viral RNA on magnetic (Mag) beads, and direct detection of RNA on the beads. This method provided improved viral recoveries of 80 ± 4 % for SARS-CoV-2 and 72 ± 5 % for Murine NoV. Duplex reverse transcription quantitative polymerase chain reaction (RT-qPCR) assays with newly designed degenerate primer-probe sets offered high PCR efficiencies (90-91 %) for NoV (GI and GII) targets and were able to detect as few as 15 copies of the viral RNA per PCR reaction. This technique, combined with duplex detection of NoV and multiplex detection of Omicron, successfully quantified NoV (GI and GII) and Omicron variants in the same sets of 94 influent wastewater samples collected from two large wastewater systems between July 2022 and June 2023. The wastewater viral RNA results showed temporal changes of both NoV and Omicron variants in the same wastewater systems and revealed an inverse relationship of their emergence. This study demonstrated the importance of a robust analytical platform for simultaneous surveillance of enveloped and non-enveloped viruses in wastewater. The ability to sensitively determine multiple viral pathogens in wastewater will advance applications of wastewater surveillance as a complementary public health tool.
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Affiliation(s)
- Teresa Kumblathan
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada
| | - Yanming Liu
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada
| | - Mary Crisol
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada
| | - Xiaoli Pang
- Division of Diagnostic and Applied Microbiology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2B7, Canada; Public Health Laboratory, Alberta Precision Laboratories, Edmonton, Alberta T6G 2J2, Canada
| | - Steve E Hrudey
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada
| | - X Chris Le
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada
| | - Xing-Fang Li
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada.
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Plaza-Garrido A, Ampuero M, Gaggero A, Villamar-Ayala CA. Norovirus, Hepatitis A and SARS-CoV-2 surveillance within Chilean rural wastewater treatment plants based on different biological treatment typologies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 863:160685. [PMID: 36476771 PMCID: PMC9721186 DOI: 10.1016/j.scitotenv.2022.160685] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 05/10/2023]
Abstract
During the COVID-19 pandemic, wastewater from WWTPs became an interesting source of epidemiological surveillance. However, there is uncertainty about the influence of treatment type on virus removal. The aim of this study was to assess viral surveillance within wastewater treatment plants (WWTPs) based on different biological treatments. Seasonal monitoring (autumn-winter and spring-summer) was conducted in 10 Chilean rural WWTPs, which were based on activated sludge, aerated lagoons, bio-discs, constructed wetlands, vermifilters and mixed systems. Viruses were measured (influent/effluent) by the RT-qPCR technique, using a commercial kit for SARS-CoV-2, NoV GI, NoV GII, and HAV. The detection of SARS-CoV-2 viral variants by genotyping was performed using SARS-CoV-2 Mutation Assays (ThermoFisher Scientific, USA). JC polyomavirus detection (control), as well as a qPCR technique. Results showed that SARS-CoV-2, NoV GI and GII were detected in influents at values between <5 and 462, 0 to 28, and 0 to 75 GC/mL, respectively. HAV was not detected among the studied WWTPs. The monitored WWTPs removed these viruses at percentages between 0 and 100 %. WWTPs based on activated sludge with bio-discs demonstrated to be the most efficient at removing SARS-CoV-2 (up to 98 %) and NoV GI and GII (100 %). Meanwhile, bio-discs technologies were the least efficient for viral removal, due to biofilm detachment, which could also adsorb viral aggregates. A correlation analysis established that solids, pH, and temperature are the most influential parameters in viral removal. Wastewater-based surveillance at WWTP allowed for the detection of Omicron before the Chilean health authorities notified its presence in the population. In addition, surveillance of viruses and other microorganisms could help assess the potential public health risk of wastewater recycling.
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Affiliation(s)
- Angela Plaza-Garrido
- Departamento de Ingeniería en Obras Civiles, Facultad de Ingeniería, Universidad Santiago de Chile (USACH), Av. Victor Jara 3659, Estación Central, Santiago, Chile
| | - Manuel Ampuero
- Programa de Virología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile
| | - Aldo Gaggero
- Programa de Virología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile.
| | - Cristina Alejandra Villamar-Ayala
- Departamento de Ingeniería en Obras Civiles, Facultad de Ingeniería, Universidad Santiago de Chile (USACH), Av. Victor Jara 3659, Estación Central, Santiago, Chile.
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Standards to support an enduring capability in wastewater surveillance for public health: Where are we? CASE STUDIES IN CHEMICAL AND ENVIRONMENTAL ENGINEERING 2022; 6:100247. [PMID: 37520917 PMCID: PMC9376981 DOI: 10.1016/j.cscee.2022.100247] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 06/02/2023]
Abstract
The COVID-19 pandemic highlighted a wide range of public health system challenges for infectious disease surveillance. The discovery that the SARS-CoV-2 virus was shed in feces and can be characterized using PCR-based testing of sewage samples offers new possibilities and challenges for wastewater surveillance (WWS). However, WWS standardization of practices is needed to provide actionable data for a public health response. A workshop was convened consisting of academic, federal government, and industry stakeholders. The objective was to review WWS sampling protocols, testing methods, analyses, and data interpretation approaches for WWS employed nationally and identify opportunities for standardizing practices, including the development of documentary standards or reference materials in the case of SARS-CoV-2 surveillance. Other WWS potential future threats to public health were also discussed. Several aspects of WWS were considered and each offers the opportunity for standards development. These areas included sampling strategies, analytical methods, and data reporting practices. Each of these areas converged on a common theme, the challenge of results comparability across facilities and jurisdictions. For sampling, the consensus solution was the development of documentary standards to guide appropriate sampling practices. In contrast, the predominant opportunity for analytical methods was reference material development, such as PCR-based standards and surrogate recovery controls. For data reporting practices, the need for establishing the minimal required metadata, a metadata vocabulary, and standardizing data units of measure including measurement threshold definitions was discussed. Beyond SARS-CoV-2 testing, there was general agreement that the WWS platform will continue to be a valuable tool for a wide range of public health threats and that future cross-sector engagements are needed to guide an enduring WWS capability.
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Krzysztoszek A, Gad B, Diedrich S, Böttcher S, Wieczorek M. Investigation of airport sewage to detect importation of poliovirus, Poland, 2017 to 2020. Euro Surveill 2022; 27:2100674. [PMID: 35713024 PMCID: PMC9205162 DOI: 10.2807/1560-7917.es.2022.27.24.2100674] [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] [Indexed: 04/09/2023] Open
Abstract
BackgroundPolioviruses are human pathogens which may easily be imported via travellers from endemic areas and countries where oral polio vaccine (OPV) is still routinely used to polio-free countries. Risk of reintroduction strictly depends on polio immunisation coverage. Sustaining a polio-free status requires strategies that allow rapid detection and control of potential poliovirus reintroductions.AimThe aim of this study was to apply environmental surveillance at an international airport in Poland to estimate the probability of poliovirus importation via air transport.MethodsBetween 2017 and 2020, we collected 142 sewage samples at Warsaw Airport. After sewage concentration, virus was isolated in susceptible cell cultures. Poliovirus isolates were characterised by intratypic differentiation and sequencing.ResultsSeven samples were positive for polioviruses. All isolates were characterised as Sabin-like polioviruses type 3 (SL-3). No wild or vaccine-derived polioviruses were found. The number of mutations accumulated in most isolates suggested a limited circulation in humans. Only one SL-3 isolate contained seven mutations, which is compatible with more than half a year of circulation.ConclusionSince OPV was withdrawn from the immunisation schedule in Poland in 2016, detection of SL-3 in airport sewage may indicate the events of importation from a region where OPV is still in use. Our study shows that environmental surveillance, including airport sewage investigation, has the capacity to detect emerging polioviruses and monitor potential exposure to poliovirus importation. Poliovirus detection in sewage samples indicates the need for sustaining a high level of polio immunisation coverage in the population.
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Affiliation(s)
- Arleta Krzysztoszek
- Department of Virology, National Institute of Public Health NIH - National Institute of Research, Warsaw, Poland
| | - Beata Gad
- Department of Virology, National Institute of Public Health NIH - National Institute of Research, Warsaw, Poland
| | - Sabine Diedrich
- Regional Reference Laboratory for Poliomyelitis, Robert Koch Institute, Berlin, Germany
| | - Sindy Böttcher
- Regional Reference Laboratory for Poliomyelitis, Robert Koch Institute, Berlin, Germany
| | - Magdalena Wieczorek
- Department of Virology, National Institute of Public Health NIH - National Institute of Research, Warsaw, Poland
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Opere WM, John M, Ombori O, Kiulia NM. Identification of enteroviruses along Lake Victoria shoreline - a potential indicator of sewage pollution. Access Microbiol 2022; 4:000334. [PMID: 35812714 PMCID: PMC9260088 DOI: 10.1099/acmi.0.000334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 01/23/2022] [Indexed: 11/29/2022] Open
Abstract
Enteric viruses are mainly transmitted by the faecal-oral route and have been linked to several diseases including gastroenteritis and respiratory infections. Their presence in surface waters has been exacerbated by pollution from a variety of point sources such as sewage discharge. We studied the occurrence of enteroviruses in water samples from Lake Victoriain Kenya to investigate if there was a link between sewage pollution and detection of enteroviruses (EVs) to build a baseline for an enteric viruses monitoring platform for this region. We analysed 216 samples collected over 6 months from six different locations along the Homa Bay Pier. The six sampling locations comprised of three sites (P3, P5, P6) located <500 m from a local sewage treatment plant and pit latrines while three other sites (P1, P2, P4) were located at approximately 0.5 to 3 Km. EVs were concentrated using glass wool adsorption elution protocol and identified using the nested reverse transcription-polymerase chain reaction. The odds ratio was performed to determine whether the location of the sources of sewage pollution near the lake was associated with the EVs contamination. Five out of 108 (5 %) samples collected from the sites (P3, P5 and P6 were EV positive, while 2 % (2/108) of samples from P1, P2 and P4 were EV positive. The presence of the EVs was associated with the distance from the possible sources of faecal contamination (odds ratio 20.28 and 4.86, confidence interval 2.42, and 0.95) for pit latrines and the sewage treatment plant respectively. The result from this study indicates that sewage discharge at the shoreline of Lake Victoria may have been the source of EVs contamination. Data from this study could significantly contribute to informing risk management on sewage pollution in Lake Victoria and it is important to continue monitoring this lake for potentially pathogenic enteric viruses.
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Affiliation(s)
- Wasonga M. Opere
- Department of Biochemistry, Microbiology and Biotechnology, Kenyatta University, Nairobi, Kenya
| | - Maingi John
- Department of Biochemistry, Microbiology and Biotechnology, Kenyatta University, Nairobi, Kenya
| | - Omwoyo Ombori
- Department of Plant Sciences, Kenyatta University, Nairobi, Kenya
| | - Nicholas M. Kiulia
- Enteric pathogens & Water Research Laboratory, Institute of Primate Research (IPR), Nairobi, Kenya
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Yoshida H. [Polio Environmental Surveillance and Its Application to SARS-CoV-2 Detection]. YAKUGAKU ZASSHI 2022; 142:11-15. [PMID: 34980746 DOI: 10.1248/yakushi.21-00161-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The polio eradication program, launched in 1988, has successfully decreased the number of poliomyelitis patients worldwide. However, in areas with immunization gaps where oral polio vaccine coverage has dropped, outbreaks of more virulent vaccine-derived polioviruses (VDPVs) have become a threat to public health. In Japan, inactivated polio vaccine replaced oral polio vaccine as the routine immunization in 2012. Polio environmental surveillance (ES) has been conducted nationwide since 2013 to efficiently monitor the wild type poliovirus or VDPV, which may be imported from overseas. ES may also be utilized to detect other viruses in stool samples. We propose a method of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) detection based on the polio ES network, and establish a procedure to detect fragments of SARS-CoV-2 genome in wastewater solids. Our findings suggest that polio ES can be used to simultaneously monitor SARS-CoV-2 RNA fragments in sewage waters.
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Affiliation(s)
- Hiromu Yoshida
- Department of Virology II, National Institute of Infectious Diseases
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Environmental Surveillance through Next-Generation Sequencing to Unveil the Diversity of Human Enteroviruses beyond the Reported Clinical Cases. Viruses 2021; 13:v13010120. [PMID: 33477302 PMCID: PMC7829892 DOI: 10.3390/v13010120] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 01/13/2021] [Accepted: 01/15/2021] [Indexed: 12/12/2022] Open
Abstract
The knowledge about circulation of Human Enteroviruses (EVs) obtained through medical diagnosis in Argentina is scarce. Wastewater samples monthly collected in Córdoba, Argentina during 2011-2012, and then in 2017-2018 were retrospectively studied to assess the diversity of EVs in the community. Partial VP1 gene was amplified by PCR from wastewater concentrates, and amplicons were subject of next-generation sequencing and genetic analyses. There were 41 EVs detected, from which ~50% had not been previously reported in Argentina. Most of the characterized EVs (60%) were detected at both sampling periods, with similar values of intratype nucleotide diversity. Exceptions were enterovirus A71, coxsackievirus B4, echovirus 14, and echovirus 30, which diversified in 2017-2018. There was a predominance of types from EV-C in 2017-2018, evidencing a common circulation of these types throughout the year in the community. Interestingly, high genetic similarity was evidenced among environmental strains of echovirus 30 circulating in 2011-2012 and co-temporal isolates obtained from patients suffering aseptic meningitis in different locations of Argentina. This study provides an updated insight about EVs circulating in an important region of South America, and suggests a valuable role of wastewater-based epidemiology in predicting outbreaks before the onset of cases in the community.
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Environmental Surveillance Can Dynamically Track Ecological Changes in Enteroviruses. Appl Environ Microbiol 2019; 85:AEM.01604-19. [PMID: 31585989 DOI: 10.1128/aem.01604-19] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 09/26/2019] [Indexed: 11/20/2022] Open
Abstract
Environmental surveillance can be used to trace enteroviruses shed from human stool using a sewer network that is independent of symptomatic or asymptomatic infection. In this study, the local transmission of enteroviruses was analyzed using two wastewater treatment plants, which were relatively close to each other (15 km), designated as sentinels. Influent was collected at both sentinels once a month from 2013 to 2016, and viruses were isolated. Using neutralizing tests with type-specific polyclonal antisera and molecular typing, 933 isolates were identified as enteroviruses. Our results showed that the frequency of virus isolation varied for each serotype at the two sentinels in a time-dependent manner. Because echovirus 11 (Echo11) and coxsackievirus B5 isolates showed a high frequency and were difficult to distinguish, they were further grouped into various lineages based on the VP1 amino acid sequences. The prevalence of each lineage was visualized using multidimensional scaling. The results showed that Echo11 isolates of the same lineage were isolated continuously, similar to coxsackievirus B5 isolates of three lineages. Conversely, Echo1, Echo13, Echo18, Echo19, Echo20, Echo29, and Echo33 were isolated only once each. Our findings suggested that if an enterovirus is imported into the population, it may result in small-scale transmission, whereas if there are initially many infected individuals, it may be possible for the virus to spread to a wide area, beyond the local community, over time. In addition, our findings could provide insights into risk assessment of transmission for importation of poliovirus in polio-free countries and regions.IMPORTANCE In this study, we showed that environmental enterovirus surveillance can be used to monitor the propagation of nonpolio enteroviruses in addition to poliovirus detection. Since epidemiological studies of virus transmission based on the past were performed using specimens from humans, there were limitations to research design, such as specimen collection for implementation on a large-scale target population. However, environmental monitoring can dynamically track the ecological changes in enteroviruses in the region by monitoring viruses in chronological order and targeting the population within the area by monitoring viruses over time. We observed differences in the transmission of echovirus 11 and coxsackievirus B5 in the region according to lineage in a time-dependent manner and with a multidimensional scaling pattern.
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Bisseux M, Colombet J, Mirand A, Roque-Afonso AM, Abravanel F, Izopet J, Archimbaud C, Peigue-Lafeuille H, Debroas D, Bailly JL, Henquell C. Monitoring human enteric viruses in wastewater and relevance to infections encountered in the clinical setting: a one-year experiment in central France, 2014 to 2015. ACTA ACUST UNITED AC 2019; 23. [PMID: 29471623 PMCID: PMC5824128 DOI: 10.2807/1560-7917.es.2018.23.7.17-00237] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Human enteric viruses are resistant in the environment and transmitted via the faecal-oral route. Viral shedding in wastewater gives the opportunity to track emerging pathogens and study the epidemiology of enteric infectious diseases in the community. Aim: The aim of this study was to monitor the circulation of enteric viruses in the population of the Clermont-Ferrand area (France) by analysis of urban wastewaters. Methods: Raw and treated wastewaters were collected between October 2014 and October 2015 and concentrated by a two-step protocol using tangential flow ultrafiltration and polyethylene glycol precipitation. Processed samples were analysed for molecular detection of adenovirus, norovirus, rotavirus, parechovirus, enterovirus (EV), hepatitis A (HAV) and E (HEV) viruses. Results: All wastewater samples (n = 54) contained viruses. On average, six and four virus species were detected in, respectively, raw and treated wastewater samples. EV-positive samples were tested for EV-D68 to assess its circulation in the community. EV-D68 was detected in seven of 27 raw samples. We collected data from clinical cases of EV-D68 (n = 17), HAV (n = 4) and HEV infection (n = 16) and compared wastewater-derived sequences with clinical sequences. We showed the silent circulation of EV-D68 in September 2015, the wide circulation of HAV despite few notifications of acute disease and the presence in wastewater of the major HEV subtypes involved in clinical local cases. Conclusion: The environmental surveillance overcomes the sampling bias intrinsic to the study of infections associated with hospitalisation and allows the detection in real time of viral sequences genetically close to those reported in clinical specimens.
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Affiliation(s)
- Maxime Bisseux
- CHU Clermont-Ferrand, Centre National de Référence Entérovirus et parechovirus - Laboratoire Associé, Laboratoire de Virologie, Clermont-Ferrand, France.,Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement, Clermont-Ferrand, France
| | - Jonathan Colombet
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement, Clermont-Ferrand, France
| | - Audrey Mirand
- CHU Clermont-Ferrand, Centre National de Référence Entérovirus et parechovirus - Laboratoire Associé, Laboratoire de Virologie, Clermont-Ferrand, France.,Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement, Clermont-Ferrand, France
| | - Anne-Marie Roque-Afonso
- AP-HP, Hôpital Paul Brousse, Centre National de Référence Virus des hépatites à transmission entérique (hépatite A) - Laboratoire Associé, Laboratoire de Virologie, Villejuif, France
| | - Florence Abravanel
- CHU Toulouse, Centre National de Référence Virus des hépatites à transmission entérique (hépatite E) - Laboratoire Coordonnateur, Laboratoire de Virologie, Toulouse, France
| | - Jacques Izopet
- CHU Toulouse, Centre National de Référence Virus des hépatites à transmission entérique (hépatite E) - Laboratoire Coordonnateur, Laboratoire de Virologie, Toulouse, France
| | - Christine Archimbaud
- CHU Clermont-Ferrand, Centre National de Référence Entérovirus et parechovirus - Laboratoire Associé, Laboratoire de Virologie, Clermont-Ferrand, France.,Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement, Clermont-Ferrand, France
| | - Hélène Peigue-Lafeuille
- CHU Clermont-Ferrand, Centre National de Référence Entérovirus et parechovirus - Laboratoire Associé, Laboratoire de Virologie, Clermont-Ferrand, France.,Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement, Clermont-Ferrand, France
| | - Didier Debroas
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement, Clermont-Ferrand, France
| | - Jean-Luc Bailly
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement, Clermont-Ferrand, France
| | - Cécile Henquell
- CHU Clermont-Ferrand, Centre National de Référence Entérovirus et parechovirus - Laboratoire Associé, Laboratoire de Virologie, Clermont-Ferrand, France.,Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement, Clermont-Ferrand, France
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Lizasoain A, Burlandy FM, Victoria M, Tort LFL, da Silva EE, Colina R. An Environmental Surveillance in Uruguay Reveals the Presence of Highly Divergent Types of Human Enterovirus Species C and a High Frequency of Species A and B Types. FOOD AND ENVIRONMENTAL VIROLOGY 2018; 10:343-352. [PMID: 29907902 DOI: 10.1007/s12560-018-9351-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 06/12/2018] [Indexed: 06/08/2023]
Abstract
Information about Human Enterovirus circulation in Uruguay is scarce. The aim of this study was to generate the first description about their circulation in the country through the study of sewage samples collected before and after the switch from Oral Poliovirus Vaccine to Inactivated Poliovirus Vaccine. Viruses were concentrated by an adsorption-elution to a negatively charged membrane, and real-time quantitative PCR and qualitative PCR methods were used to detect, quantify, and characterize enteroviruses. Positive samples were inoculated in RD cells and two passages were performed. Additionally, RD+ samples were subsequently passed onto L20B cells. Human Enteroviruses were detected in 67.6% of the samples, with concentrations between 4.9 and 6.6 Log10 genomic copies per liter. 10% of positive samples replicated in RD cells, of which none in L20B cells. Molecular characterization of Human Enterovirus strains directly detected from sewage sample concentrates allowed the identification of highly divergent members of species C such as Enterovirus C99 and Coxsackievirus A13, as well as the frequent detection of species A and B members (particularly Coxsackievirus A16 and Echovirus 6, respectively). Other detected types were Coxsackievirus A2, A22, B1, B5, Echovirus 5, and 9. The characterization of viruses isolated in cell culture revealed the presence of Echovirus 6 and Coxsackievirus B3. Despite the absence of poliovirus, a wide circulation of different enterovirus types was evidenced in Uruguayan sewage samples, highlighting that the local populations are exposed to different kinds of diseases originated by several human enterovirus.
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Affiliation(s)
- Andrés Lizasoain
- Laboratorio de Virología Molecular, CENUR Litoral Norte, Sede Salto, Universidad de la República, Gral. Rivera 1350, 50000, Salto, Uruguay
| | - Fernanda M Burlandy
- Laboratório de Enterovírus, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Avda. Brasil 4365, Rio de Janeiro, 21040-360, Brazil
| | - Matías Victoria
- Laboratorio de Virología Molecular, CENUR Litoral Norte, Sede Salto, Universidad de la República, Gral. Rivera 1350, 50000, Salto, Uruguay
| | - Luis F López Tort
- Laboratorio de Virología Molecular, CENUR Litoral Norte, Sede Salto, Universidad de la República, Gral. Rivera 1350, 50000, Salto, Uruguay
| | - Edson E da Silva
- Laboratório de Enterovírus, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Avda. Brasil 4365, Rio de Janeiro, 21040-360, Brazil
| | - Rodney Colina
- Laboratorio de Virología Molecular, CENUR Litoral Norte, Sede Salto, Universidad de la República, Gral. Rivera 1350, 50000, Salto, Uruguay.
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Matrajt G, Naughton B, Bandyopadhyay AS, Meschke JS. A Review of the Most Commonly Used Methods for Sample Collection in Environmental Surveillance of Poliovirus. Clin Infect Dis 2018; 67:S90-S97. [PMID: 30376094 PMCID: PMC6206110 DOI: 10.1093/cid/ciy638] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
We performed a review of the environmental surveillance methods commonly used to collect and concentrate poliovirus (PV) from water samples. We compared the sampling approaches (trap vs grab), the process methods (precipitation vs filtration), and the various tools and chemical reagents used to separate PV from other viruses and pathogens in water samples (microporous glass, pads, polyethylene glycol [PEG]/dextran, PEG/sodium chloride, NanoCeram/ViroCap, and ester membranes). The advantages and disadvantages of each method are considered, and the geographical areas where they are currently used are discussed. Several methods have demonstrated the ability to concentrate and recover PVs from environmental samples. The details of the particular sampling conditions and locations should be considered carefully in method selection.
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Affiliation(s)
- Graciela Matrajt
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Washington
| | | | | | - John Scott Meschke
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Washington
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Duintjer Tebbens RJ, Zimmermann M, Pallansch M, Thompson KM. Insights from a Systematic Search for Information on Designs, Costs, and Effectiveness of Poliovirus Environmental Surveillance Systems. FOOD AND ENVIRONMENTAL VIROLOGY 2017; 9:361-382. [PMID: 28687986 PMCID: PMC7879701 DOI: 10.1007/s12560-017-9314-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 06/30/2017] [Indexed: 05/20/2023]
Abstract
Poliovirus surveillance plays a critical role in achieving and certifying eradication and will play a key role in the polio endgame. Environmental surveillance can provide an opportunity to detect circulating polioviruses prior to the observation of any acute flaccid paralysis cases. We completed a systematic review of peer-reviewed publications on environmental surveillance for polio including the search terms "environmental surveillance" or "sewage," and "polio," "poliovirus," or "poliomyelitis," and compared characteristics of the resulting studies. The review included 146 studies representing 101 environmental surveillance activities from 48 countries published between 1975 and 2016. Studies reported taking samples from sewage treatment facilities, surface waters, and various other environmental sources, although they generally did not present sufficient details to thoroughly evaluate the sewage systems and catchment areas. When reported, catchment areas varied from 50 to over 7.3 million people (median of 500,000 for the 25% of activities that reported catchment areas, notably with 60% of the studies not reporting this information and 16% reporting insufficient information to estimate the catchment area population size). While numerous studies reported the ability of environmental surveillance to detect polioviruses in the absence of clinical cases, the review revealed very limited information about the costs and limited information to support quantitative population effectiveness of conducting environmental surveillance. This review motivates future studies to better characterize poliovirus environmental surveillance systems and the potential value of information that they may provide in the polio endgame.
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Affiliation(s)
| | - Marita Zimmermann
- Kid Risk, Inc., 10524 Moss Park Rd., Ste. 204-364, Orlando, FL 32832
- Correspondence to: Radboud J. Duintjer Tebbens, Kid Risk, Inc., 10524 Moss Park Rd., Ste. 204-364, Orlando, FL 32832, USA,
| | - Mark Pallansch
- Centers for Disease Control and Prevention, Division of Viral Diseases, Atlanta, GA 30333
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