Sure. When I said "not transmitted by contact" I should have said "rarely transmitted by contact". It has become clear that the overwhelming majority of transmi

Sure. When I said "not transmitted by contact" I should have said "rarely transmitted by contact". It has become clear that the overwhelming majority of transmisson is through aerosols indoors. https://www.cdc.gov/coronavirus/2019-ncov/more/science-and-research/surface-transmission.html https://www.cdc.gov/coronavirus/2019-ncov/more/science-and-r... https://www.nature.com/articles/d41586-021-00251-4 https://www.nature.com/articles/d41586-021-00251-4