Or -- I bet a lot more likely -- the handwashing etc. prescriptions that turned out to be pretty meaningless for COVID but that are important to the transmissio

Or -- I bet a lot more likely -- the handwashing etc. prescriptions that turned out to be pretty meaningless for COVID but that are important to the transmission of flu and many other diseases. Obviously personal action is harder to reproduce than government-sponsored trucks, so it's less useful if it was a main cause.