And couldn't each state's legislature select its electoral college members? According to Article II, Section 1, Clause 2 of the Constitution, each state legislature determines the manner by which its state's electors are chosen.
If second wave does hit... what are the realistic options? My guess is that the Red states will be voting no matter what.
The impact of the Spanish flu was enormous on the outcome in 1918 and the Republican sweep completely squelched Wilson's foreign policy agenda.
Link: https://www.history.com/news/1918-pandemic-midterm-elections