What does that mean?
What does that mean?
That was just the selection criteria for the trial participants. It doesn't mean anything other than they haven't yet tried it on people who were previously infected.
among those without evidence of prior infection
What does that mean?
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If you already have the virus then the vaccine won’t do you any good.
It’s not going to be effective on people who are already immune, lol!
I’ve had it, as has my wife and half the people in her medical office. It’s WAY overhyped, but we knew that.