Paper Preprint https://pubs.acs.org/doi/10.1021/acs.estlett.0c00357 https://pubs.acs.org/doi/10.1021/acs.estlett.0c00357 a french team in this space too https:

Paper Preprint https://pubs.acs.org/doi/10.1021/acs.estlett.0c00357 https://pubs.acs.org/doi/10.1021/acs.estlett.0c00357 a french team in this space too https://www.medrxiv.org/content/10.1101/2020.04.12.20062679v2 https://www.medrxiv.org/content/10.1101/2020.04.12.20062679v... https://www.sciencemag.org/news/2020/04/coronavirus-found-paris-sewage-points-early-warning-system https://www.sciencemag.org/news/2020/04/coronavirus-found-pa... also this from Yale https://www.medrxiv.org/content/10.1101/2020.05.19.20105999v1 https://www.medrxiv.org/content/10.1101/2020.05.19.20105999v... at EPFL https://actu.epfl.ch/news/covid-19-les-eaux-usees-pour-detecter-l-evolution-/ https://actu.epfl.ch/news/covid-19-les-eaux-usees-pour-detec...