Posted 3/24/2021 16:37 (#8913459 - in reply to #8905122) Subject: RE: covid shot
JohnW has it right. Time will tell as we are into new territory with this mRNA technology. I'm preparing to take a periodic booster until the variants get under control throughout the world. Variants are the wild card and the ability of other countries to get their people vaccinated. Brazil is in an unfortunate mess right now.