"Covid19 would also be over if people with symptoms would just stay home." That is unlikely to be true. There are asymptomatic super spreaders. The fact that

"Covid19 would also be over if people with symptoms would just stay home." That is unlikely to be true. There are asymptomatic super spreaders. The fact that R0 is currently hovering around 1 is that society has greatly reduced contacts. Even in areas where social distancing is a mere suggestion, most people are not behaving completely normally (a good thing). Flights are super low, movie theater visits are super low, hotel occupancy is super low. Social distancing and contact tracing work. Better social distancing and contact tracing work better.