"On the risk of human
exposure, the authors said: "The transport of coronaviruses in water could
increase the potential for the virus to become aerosolised, particularly during
the pumping of wastewater through sewerage systems..." https://www.sciencedaily.com/releases/2020/05/200506133603.htm
Richard
S. Quilliam, Manfred Weidmann, Vanessa Moresco, Heather Purshouse, Zoe O'Hara,
David M. Oliver. COVID-19: The environmental implications of shedding
SARS-CoV-2 in human faeces. Environment International, 2020; 105790