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D'Arpino MC, Sineli PE, Goroso G, Watanabe W, Saavedra ML, Hebert EM, Martínez MA, Migliavacca J, Gerstenfeld S, Chahla RE, Bellomio A, Albarracín VH. Wastewater monitoring of SARS-CoV-2 gene for COVID-19 epidemiological surveillance in Tucumán, Argentina. J Basic Microbiol 2024; 64:e2300773. [PMID: 38712352 DOI: 10.1002/jobm.202300773] [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: 12/29/2023] [Revised: 03/12/2024] [Accepted: 04/08/2024] [Indexed: 05/08/2024]
Abstract
Wastewater-based epidemiology provides temporal and spatial information about the health status of a population. The objective of this study was to analyze and report the epidemiological dynamics of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in the province of Tucumán, Argentina during the second and third waves of coronavirus disease 2019 (COVID-19) between April 2021 and March 2022. The study aimed to quantify SARS-CoV-2 RNA in wastewater, correlating it with clinically reported COVID-19 cases. Wastewater samples (n = 72) were collected from 16 sampling points located in three cities of Tucumán (San Miguel de Tucumán, Yerba Buena y Banda del Río Salí). Detection of viral nucleocapsid markers (N1 gene) was carried out using one-step reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Viral loads were determined for each positive sample using a standard curve. A positive correlation (p < 0.05) was observed between viral load (copies/mL) and the clinically confirmed COVID-19 cases reported at specific sampling points in San Miguel de Tucumán (SP4, SP7, and SP8) in both months, May and June. Indeed, the high viral load concurred with the peaks of COVID-19 cases. This method allowed us to follow the behavior of SARS-CoV-2 infection during epidemic outbreaks. Thus, wastewater monitoring is a valuable epidemiological indicator that enables the anticipation of increases in COVID-19 cases and tracking the progress of the pandemic. SARS-CoV-2 genome-based surveillance should be implemented as a routine practice to prepare for any future surge in infections.
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Affiliation(s)
- María Cecilia D'Arpino
- Laboratory of Molecular and Ultraestructural Microbiology, Centro Integral de Microscopía Electrónica, (CIME-UNT-CONICET), Facultad de Agronomía, Zootecnia y Veterinaria, Universidad Nacional de Tucumán, Tucumán, Argentina
| | - Pedro Eugenio Sineli
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Tucumán, Argentina
| | - Gustavo Goroso
- Laboratorio de Processamento de Sinais e Modelagem de Sistemas Biológicos. Núcleo de Pesquisas Tecnológicas, Universidade Mogi das Cruzes, Sao Paulo, Brasil
| | - William Watanabe
- Laboratorio de Processamento de Sinais e Modelagem de Sistemas Biológicos. Núcleo de Pesquisas Tecnológicas, Universidade Mogi das Cruzes, Sao Paulo, Brasil
| | | | | | | | | | | | | | - Augusto Bellomio
- Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-Universidad Nacional de Tucumán), Tucumán, Argentina
| | - Virginia Helena Albarracín
- Laboratory of Molecular and Ultraestructural Microbiology, Centro Integral de Microscopía Electrónica, (CIME-UNT-CONICET), Facultad de Agronomía, Zootecnia y Veterinaria, Universidad Nacional de Tucumán, Tucumán, Argentina
- Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional Tucumán, Tucumán, Argentina
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Fondriest M, Vaccari L, Aldrovandi F, De Lellis L, Ferretti F, Fiorentino C, Mari E, Mascolo MG, Minelli L, Perlangeli V, Bortone G, Pandolfi P, Colacci A, Ranzi A. Wastewater-Based Epidemiology for SARS-CoV-2 in Northern Italy: A Spatiotemporal Model. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:741. [PMID: 38928987 PMCID: PMC11203876 DOI: 10.3390/ijerph21060741] [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: 04/04/2024] [Revised: 05/23/2024] [Accepted: 05/31/2024] [Indexed: 06/28/2024]
Abstract
The study investigated the application of Wastewater-Based Epidemiology (WBE) as a tool for monitoring the SARS-CoV-2 prevalence in a city in northern Italy from October 2021 to May 2023. Based on a previously used deterministic model, this study proposed a variation to account for the population characteristics and virus biodegradation in the sewer network. The model calculated virus loads and corresponding COVID-19 cases over time in different areas of the city and was validated using healthcare data while considering viral mutations, vaccinations, and testing variability. The correlation between the predicted and reported cases was high across the three waves that occurred during the period considered, demonstrating the ability of the model to predict the relevant fluctuations in the number of cases. The population characteristics did not substantially influence the predicted and reported infection rates. Conversely, biodegradation significantly reduced the virus load reaching the wastewater treatment plant, resulting in a 30% reduction in the total virus load produced in the study area. This approach can be applied to compare the virus load values across cities with different population demographics and sewer network structures, improving the comparability of the WBE data for effective surveillance and intervention strategies.
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Affiliation(s)
- Matilde Fondriest
- Regional Agency for Prevention, Environment and Energy of Emilia-Romagna, 40139 Bologna, Italy; (L.V.); (E.M.); (M.G.M.); (G.B.); (A.C.); (A.R.)
| | - Lorenzo Vaccari
- Regional Agency for Prevention, Environment and Energy of Emilia-Romagna, 40139 Bologna, Italy; (L.V.); (E.M.); (M.G.M.); (G.B.); (A.C.); (A.R.)
| | - Federico Aldrovandi
- Alma Mater Institute on Healthy Planet, Department of Biological, Geological and Environmental Sciences, University of Bologna, 40138 Bologna, Italy;
| | | | - Filippo Ferretti
- Local Health Authority of Bologna, Department of Public Health, 40124 Bologna, Italy; (F.F.); (C.F.); (V.P.); (P.P.)
| | - Carmine Fiorentino
- Local Health Authority of Bologna, Department of Public Health, 40124 Bologna, Italy; (F.F.); (C.F.); (V.P.); (P.P.)
| | - Erica Mari
- Regional Agency for Prevention, Environment and Energy of Emilia-Romagna, 40139 Bologna, Italy; (L.V.); (E.M.); (M.G.M.); (G.B.); (A.C.); (A.R.)
- Local Health Authority of Bologna, Department of Public Health, 40124 Bologna, Italy; (F.F.); (C.F.); (V.P.); (P.P.)
| | - Maria Grazia Mascolo
- Regional Agency for Prevention, Environment and Energy of Emilia-Romagna, 40139 Bologna, Italy; (L.V.); (E.M.); (M.G.M.); (G.B.); (A.C.); (A.R.)
| | | | - Vincenza Perlangeli
- Local Health Authority of Bologna, Department of Public Health, 40124 Bologna, Italy; (F.F.); (C.F.); (V.P.); (P.P.)
| | - Giuseppe Bortone
- Regional Agency for Prevention, Environment and Energy of Emilia-Romagna, 40139 Bologna, Italy; (L.V.); (E.M.); (M.G.M.); (G.B.); (A.C.); (A.R.)
| | - Paolo Pandolfi
- Local Health Authority of Bologna, Department of Public Health, 40124 Bologna, Italy; (F.F.); (C.F.); (V.P.); (P.P.)
| | - Annamaria Colacci
- Regional Agency for Prevention, Environment and Energy of Emilia-Romagna, 40139 Bologna, Italy; (L.V.); (E.M.); (M.G.M.); (G.B.); (A.C.); (A.R.)
| | - Andrea Ranzi
- Regional Agency for Prevention, Environment and Energy of Emilia-Romagna, 40139 Bologna, Italy; (L.V.); (E.M.); (M.G.M.); (G.B.); (A.C.); (A.R.)
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Carducci A, Federigi I, Lauretani G, Muzio S, Pagani A, Atomsa NT, Verani M. Critical Needs for Integrated Surveillance: Wastewater-Based and Clinical Epidemiology in Evolving Scenarios with Lessons Learned from SARS-CoV-2. FOOD AND ENVIRONMENTAL VIROLOGY 2024; 16:38-49. [PMID: 38168848 DOI: 10.1007/s12560-023-09573-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 11/28/2023] [Indexed: 01/05/2024]
Abstract
During the COVID-19 pandemic, wastewater-based epidemiology (WBE) and clinical surveillance have been used as tools for analyzing the circulation of SARS-CoV-2 in the community, but both approaches can be strongly influenced by some sources of variability. From the challenging perspective of integrating environmental and clinical data, we performed a correlation analysis between SARS-CoV-2 concentrations in raw sewage and incident COVID-19 cases in areas served by medium-size wastewater treatment plants (WWTPs) from 2021 to 2023. To this aim, both datasets were adjusted for several sources of variability: WBE data were adjusted for factors including the analytical protocol, sewage flow, and population size, while clinical data adjustments considered the demographic composition of the served population. Then, we addressed the impact on the correlation of differences among sewerage networks and variations in the frequency and type of swab tests due to changes in political and regulatory scenarios. Wastewater and clinical data were significantly correlated when restrictive containment measures and limited movements were in effect (ρ = 0.50) and when COVID-19 cases were confirmed exclusively through molecular testing (ρ = 0.49). Moreover, a positive (although weak) correlation arose for WWTPs located in densely populated areas (ρ = 0.37) and with shorter sewerage lengths (ρ = 0.28). This study provides methodological approaches for interpreting WBE and clinical surveillance data, which could also be useful for other infections. Data adjustments and evaluation of possible sources of bias need to be carefully considered from the perspective of integrated environmental and clinical surveillance of infections.
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Affiliation(s)
- Annalaura Carducci
- Laboratory of Hygiene and Environmental Virology, Department of Biology, University of Pisa, Via S. Zeno 35/39, 56127, Pisa, Italy
| | - Ileana Federigi
- Laboratory of Hygiene and Environmental Virology, Department of Biology, University of Pisa, Via S. Zeno 35/39, 56127, Pisa, Italy.
| | - Giulia Lauretani
- Laboratory of Hygiene and Environmental Virology, Department of Biology, University of Pisa, Via S. Zeno 35/39, 56127, Pisa, Italy
| | - Sara Muzio
- Laboratory of Hygiene and Environmental Virology, Department of Biology, University of Pisa, Via S. Zeno 35/39, 56127, Pisa, Italy
| | - Alessandra Pagani
- Laboratory of Hygiene and Environmental Virology, Department of Biology, University of Pisa, Via S. Zeno 35/39, 56127, Pisa, Italy
| | - Nebiyu Tariku Atomsa
- Laboratory of Hygiene and Environmental Virology, Department of Biology, University of Pisa, Via S. Zeno 35/39, 56127, Pisa, Italy
| | - Marco Verani
- Laboratory of Hygiene and Environmental Virology, Department of Biology, University of Pisa, Via S. Zeno 35/39, 56127, Pisa, Italy
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Menon S, Wani H, Desai D, Bhathena Z, Desai N, Shrivastava S. Occurrence of F-Specific Bacteriophages in Untreated and Treated Wastewaters in Mumbai. Indian J Microbiol 2024; 64:254-259. [PMID: 38468726 PMCID: PMC10924809 DOI: 10.1007/s12088-023-01181-7] [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: 09/15/2023] [Accepted: 12/11/2023] [Indexed: 03/13/2024] Open
Abstract
F + coliphages are considered as potential enteric viral indicators in water systems as a tool for on-site validation of wastewater treatment processes. The present study evaluated the occurrence of F + coliphages in wastewaters collected from three wastewater treatment plants (WWTPs) in Mumbai city, to assess this potential. The detection and enumeration of F + coliphages was carried out from WWTPs Z1, Z3 and Z5 using the ISO 10705-1 and U.S EPA 1601 methods. F + coliphages were majorly detected in untreated wastewater samples followed by a few secondary treated samples in WWTP-Z1 and Z3 and one tertiary treated sample from Z1, these differences were found to be statistically significant. The difference in F + coliphage levels between the treatment stages highlight their potential as indicators for monitoring the efficiency of wastewater treatment. The overall positivity of F + coliphage was 35.09% for Salmonella. typhimurium WG49 host (as per ISO 10705-1), was higher by 10.52% for Escherichia coli Famp HS host (as per U.S EPA 1601) (45.61%), highlighting the efficiency of the latter host over the former in F + coliphage detection. Significant difference in F + coliphage counts using the two bacterial hosts were observed in WWTP-Z3 (p = 0.001) and WWTP-Z1 (p = 0.047) but not in WWTP-Z5 (p = 0.332). Supplementary Information The online version contains supplementary material available at 10.1007/s12088-023-01181-7.
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Affiliation(s)
- Smita Menon
- Dept. of Microbiology, Bhavan’s College, Andheri West, Mumbai, 400058 Maharashtra India
| | - Hima Wani
- Bhavan’s Research Center, Bhavan’s College Campus, Andheri West, Mumbai, 400058 Maharashtra India
| | - Dipen Desai
- Bhavan’s Research Center, Bhavan’s College Campus, Andheri West, Mumbai, 400058 Maharashtra India
| | - Zarine Bhathena
- Dept. of Microbiology, Bhavan’s College, Andheri West, Mumbai, 400058 Maharashtra India
| | - Nishith Desai
- Bhavan’s Research Center, Bhavan’s College Campus, Andheri West, Mumbai, 400058 Maharashtra India
| | - Sandhya Shrivastava
- Bhavan’s Research Center, Bhavan’s College Campus, Andheri West, Mumbai, 400058 Maharashtra India
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Zachariah A, Krishnankutty SP, Manazhi J, Omanakuttan V, Santosh S, Blanchard A, Tarlinton R. Lack of detection of SARS-CoV-2 in wildlife from Kerala, India in 2020-21. Access Microbiol 2024; 6:000686.v3. [PMID: 38361659 PMCID: PMC10866034 DOI: 10.1099/acmi.0.000686.v3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 01/17/2024] [Indexed: 02/17/2024] Open
Abstract
Spillover of SARS-CoV-2 into a variety of wild and domestic animals has been an ongoing feature of the human pandemic. The establishment of a new reservoir in white-tailed deer in North America and increasing divergence of the viruses circulating in them from those circulating in the human population has highlighted the ongoing risk this poses for global health. Some parts of the world have seen more intensive monitoring of wildlife species for SARS-CoV-2 and related coronaviruses but there are still very large gaps in geographical and species-specific information. This paper reports negative results for SARS-CoV-2 PCR based testing using a pan coronavirus end point RDRP PCR and a Sarbecovirus specific E gene qPCR on lung and or gut tissue from wildlife from the Indian State of Kerala. These animals included: 121 Rhinolophus rouxii (Rufous Horsehoe Bat), six Rhinolophus bedommei (Lesser Woolly Horseshoe Bat), 15 Rossettus leschenaultii (Fulvous Fruit Bat), 47 Macaca radiata (Bonnet macaques), 35 Paradoxurus hermaphroditus (Common Palm Civet), five Viverricula indica (Small Indian Civet), four Herpestes edwardsii (Common Mongoose), ten Panthera tigris (Bengal Tiger), eight Panthera pardus fusca (Indian Leopard), four Prionailurus bengalensis (Leopard cats), two Felis chaus (Jungle cats), two Cuon alpinus (Wild dogs) and one Melursus ursinus (sloth bear).
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Affiliation(s)
| | | | | | | | | | - Adam Blanchard
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, UK
| | - Rachael Tarlinton
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, UK
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