"Currently, there are no studies on the survival of the COVID-19 virus in drinking-water or sewage. The morphology and chemical structure of this virus are similar to those of other coronavirusesa for which there are data about both survival in the environment and effective inactivation measures. This guidance draws on the existing evidence base and current WHO guidance on how to protect against viruses in sewage and drinking-water."
and
"The COVID-19 virus is enveloped and thus less stable in the environment compared to non-enveloped human enteric viruses with known waterborne transmission (such as adenoviruses, norovirus, rotavirus and hepatitis A). "
Link: Water, sanitation, hygiene, and waste management for the COVID-19 virus, Interim guidance, 23 April 2020 by WHO and UNICEF: https://www.who.int/publications-detail/water-sanitation-hygiene-and-was...
These excerpts from WHO regs, relate to Aalok Khandekar’s draft commentary, “Heat and Contagion in the Off-Grid City” in relation to mentioning hepatitis.
And, also to a comment in previous weeks around air transmission and sewage across the border in north and south America made by Kim Fortun