Blue in Munich
Crocked Professional Yeti Impersonator
Which bit should have been proof read? Seems ok to me?
Well there's a bit of a clue in the quoted post. Do you really think that it should be referencing the unvaccinated naive population or the unvaccinated native population.
I'm not aware that the naivety of the recipient should have any effect on the efficacy of the vaccine but if it does please explain it to me.