that's the reason why they promote booster.
The irony is in order to make case for booster up, they have to look down the effacy of original vaccine shot. The effectiveness failure of vaccine leads to booster. They can't have both way.
that's the reason why they promote booster.
The irony is in order to make case for booster up, they have to look down the effacy of original vaccine shot. The effectiveness failure of vaccine leads to booster. They can't have both way.