B - Seemingly it’s is the more Pro Trump guys that are against the vaccine.
Just to provide the evidence for this:
https://www.theguardian.com/us-news/2021/dec/07/trump-voters-counties-more-likely-die-covid-studyA few quotes from there, for the non-clickers:
"People in counties that voted for Donald Trump are nearly three times more likely to die from Covid-19 than those who live in counties that voted for Joe Biden"
"People in rural Republican areas, and white Republicans in general, tend to be more resistant to getting vaccinated. According to the latest data from the Kaiser Family Fund, the rate of Republican Covid vaccination has plateaued at 59%, while 91% of Democrats have been vaccinated."
"Republicans have been found to be more likely to believe misinformation about Covid and vaccines. According to KFF, 94% of Republicans think one or more false statements about Covid and vaccines might be true, and 46% believe four or more statements might be true. Only 14% of Democrats believe four or more false statements about the virus."
So - It’s only a matter of time for the trump voters to really be dominated by the Biden ones just due to the fact that they will probably be dying at a far quicker pace
I don't think there's evidence for this last part, though. That is, Trump-voters are not dying of Covid at a high enough rate to turn any red state blue, even in those states where the 2020 presidential vote was closest.