He is extremely pro-mask, even wanting them mandatory outdoors.
He was fairly clear about it before the election; it is pretty much his only policy position we heard about over here. I posted some similar comments by him earlier in this thread, here, although at that point he was claiming 'every major study' said that doing so would save over 100,000 lives - seems that has fallen to 40,000 in just the last month. Gotta love those modelers, eh?
It doesn't say a lot for his rational thinking skills.