Will truly only find out when random antibody tests are done in the population. I personally doubt it was already widely spread before as otherwise 1. the numb

Will truly only find out when random antibody tests are done in the population. I personally doubt it was already widely spread before as otherwise 1. the number of people dying from respiratory problems would have spiked up specially among the older population 2. The number of people each infected person infects that he knows points to the virus not having passed through the population before