3 ms·
A core difference is the smallpox vaccine had/has sterilizing immunity while the covid vaccines do not. I think given non-sterilizing immunity and the rate and
by curmudgeon22 5y ago
A core difference is the smallpox vaccine had/has sterilizing immunity while the covid vaccines do not. I think given non-sterilizing immunity and the rate and scale of global vaccine roll outs, zero covid is virtually impossible.