This is a really important read... it's quite possible we've had our entire timeline about COVID-19 in the US wrong. https://www.latimes.com/california/story/2020-04-11/bay-area-coronavirus-deaths-signs-of-earlier-spread-california

"A study out of Stanford suggests a dramatic viral surge in February..The result suggested that 8% of people walking into the urgent care centers carried the novel coronavirus, an infection rate that mirrored the 5% infection rate at a LA medical center, the CDC said in a report"

"Pinsky said the virtual invisibility of COVID-19 in February followed by an 8% infection rate two weeks later is not 'incompatible.... I think that all kind of fits together.'"