Covid19
NEJM on Twitter: "Investigators found that two doses of the BNT162b2 #COVID19 vaccine had an …
Investigators found that two doses of the BNT162b2 #COVID19 vaccine had an efficacy of 50 to 70% against hospitalization caused by #omicron …
Investigators found that two doses of the BNT162b2 #COVID19 vaccine had an efficacy of 50 to 70% against hospitalization caused by #omicron …