Just tell them you're immune.
You also don't fly in experimental aircraft, drag race, set breath holding records or any of a million other dangerous things when NOT doing them is FAR safer.
They know this is the beginning of the end; not just for them, which it is, but for all the dirty absentee counts.
They knowingly and willfully took part in treason. It'll be called voter fraud until it's tied to the larger effort, but they know long prison sentences or a death penalty is coming and they are surely caught.