I'm no expert in this field, hence my dumb question: lets assume we find such an attenuated strain and "infect" people with it such that they could all build the anti-bodies for it. Couldn't the dangerous strain still…
I'm no expert in this field, hence my dumb question: lets assume we find such an attenuated strain and "infect" people with it such that they could all build the anti-bodies for it. Couldn't the dangerous strain still…