I’m type O also.
I’ve read the same, that certain blood types were more resistant and others were not.
The Commission on Presidential Debates is supposedly bipartisan w/ an equal number of Rs and Ds. I know all of the Republicans and most are friends of mine. I am concerned that none of them support @realDonaldTrump. A biased Debate Commission is unfair.— Senator Bob Dole (@SenatorDole) October 9, 2020