It's not clear anyone avoids a second wave. Nor do we know how significant it could be. We don't know about natural immunity duration, or if and when there's a

It's not clear anyone avoids a second wave. Nor do we know how significant it could be. We don't know about natural immunity duration, or if and when there's a vaccine, and for how long it will be effective. We don't know about mutations. I think a lot of the questions are only answered 2 years from now.