Pfizer has been distributed to many young people in other countries though and no such issue has popped up. Not saying it's outside the realm of possibility, bu

Pfizer has been distributed to many young people in other countries though and no such issue has popped up. Not saying it's outside the realm of possibility, but I think it's increasingly unlikely. Plus it'd be no surprise to me for the mRNA vaccines to have somewhat different side effect profile than the "traditional" ones.