It’s quite minimal, regardless of the hysterical panic-mongering of the NLMSM and the Progressive-Democrats. Dr Deborah Birx, White House Coronavirus Task Force Coordinator:

“Well, I can tell you it has been safe for me to go to Starbucks and pick up my order,” Dr Deborah Birx told Just The News in an interview when asked about in-person voting.
…
“If you go into Starbucks in the middle of Texas and Alabama and Mississippi that have very high case rates, then I can’t say that it would be different waiting in line in the polls[.]”

Voters just need to pay attention to what they’re doing.