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COVID-19 wastewater based epidemiology: long-term monitoring of 10 WWTP in France reveals the importance of the sampling context.
Lazuka, A; Arnal, C; Soyeux, E; Sampson, M; Lepeuple, A-S; Deleuze, Y; Pouradier Duteil, S; Lacroix, S.
  • Lazuka A; Veolia, Scientific & Technical Expertise Departement, Chemin de la Digue, 78600 Maisons-Laffitte, France E-mail: sebastien.lacroix@veolia.com.
  • Arnal C; Veolia, Scientific & Technical Expertise Departement, Chemin de la Digue, 78600 Maisons-Laffitte, France E-mail: sebastien.lacroix@veolia.com.
  • Soyeux E; Veolia, Scientific & Technical Expertise Departement, Chemin de la Digue, 78600 Maisons-Laffitte, France E-mail: sebastien.lacroix@veolia.com.
  • Sampson M; Veolia, Scientific & Technical Expertise Departement, Chemin de la Digue, 78600 Maisons-Laffitte, France E-mail: sebastien.lacroix@veolia.com.
  • Lepeuple AS; Veolia, Scientific & Technical Expertise Departement, Chemin de la Digue, 78600 Maisons-Laffitte, France E-mail: sebastien.lacroix@veolia.com.
  • Deleuze Y; Veolia, Scientific & Technical Expertise Departement, Chemin de la Digue, 78600 Maisons-Laffitte, France E-mail: sebastien.lacroix@veolia.com.
  • Pouradier Duteil S; Veolia Eau France, 30 rue Madeleine Vionnet, 93300, Aubervilliers, France.
  • Lacroix S; Veolia, Scientific & Technical Expertise Departement, Chemin de la Digue, 78600 Maisons-Laffitte, France E-mail: sebastien.lacroix@veolia.com.
Water Sci Technol ; 84(8): 1997-2013, 2021 Oct.
Article in English | MEDLINE | ID: covidwho-1459207
ABSTRACT
SARS-CoV-2 wastewater-based epidemiology (WBE) has been advanced as a relevant indicator of distribution of COVID-19 in communities, supporting classical testing and tracing epidemiological approaches. An extensive sampling campaign, including ten municipal wastewater treatment plants, has been conducted in different cities of France over a 20-week period, encompassing the second peak of COVID-19 outbreak in France. A well-recognised ultrafiltration - RNA extraction - RT-qPCR protocol was used and qualified, showing 5.5 +/- 0.5% recovery yield on heat-inactivated SARS-CoV-2. Importantly the whole, solid and liquid, fraction of wastewater was used for virus concentration in this study. Campaign results showed medium- to strong- correlation between SARS-CoV-2 WBE data and COVID-19 prevalence. To go further, statistical relationships between WWTP inlet flow rate and rainfall were studied and taken into account for each WWTP in order to calculate contextualized SARS-CoV-2 loads. This metric presented improved correlation strengths with COVID-19 prevalence for WWTP particularly submitted and sensitive to rain. Such findings highlighted that SARS-CoV-2 WBE data ultimately require to be contextualized for relevant interpretation.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Wastewater / COVID-19 Type of study: Observational study Topics: Long Covid Limits: Humans Country/Region as subject: Europa Language: English Journal: Water Sci Technol Journal subject: Environmental Health / Toxicology Year: 2021 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Wastewater / COVID-19 Type of study: Observational study Topics: Long Covid Limits: Humans Country/Region as subject: Europa Language: English Journal: Water Sci Technol Journal subject: Environmental Health / Toxicology Year: 2021 Document Type: Article