Cdc Chaning News Today

Immune system against this particularly mutated virus? for that matter, how long is it going to take for us to know whether our vaccines work against this virus? theyre testing it now. report in "the new york times" that scientists in south africa started within one hour of the mutation first being reported -- the variant first being described, within one hour they were trying to test the effectiveness of various vaccines we already got against this variant. how long will that testing take? if t...