There is data to the contrary.
https://www.theatlantic.com/ideas/archive/2020/05/class-war-...
https://www.theatlantic.com/ideas/archive/2020/05/class-war-...
Of course we need to open, but right now (May) is not that time. If I had to guess (which is irrelevant to a data driven approach) I would assume late June or July would be safer.