It does when it has infected the gastro intestinal system. They just decided not to mention that. Basically if you take a dump while you are infected with SARS-CoV-2 that bathroom just became a biohazzard. Flushing the toilet created an aerosol plume of virus laden droplets, and especially if the lid was up they coated everything in the immediate area. Use the search term "toilet plume" and you'll see what I mean.