mRNA drug-maker says 4th shot may be needed
Roll up your sleeve. Drugmaker Pfizer’s CEO said a fourth shot of the vaccine may be needed sooner than expected to neutralize the Omicron variant. Preliminary research found that the…
Roll up your sleeve. Drugmaker Pfizer’s CEO said a fourth shot of the vaccine may be needed sooner than expected to neutralize the Omicron variant. Preliminary research found that the…