Newly released data show the effectiveness of the two-dose series dropped somewhat from the Delta period, but still performed impressively.
Breaking: Pfizer/BioNTech vaccine prevents most Omicron Covid-19 hospitalizations.
Breaking: Pfizer/BioNTech vaccine prevents…
Breaking: Pfizer/BioNTech vaccine prevents most Omicron Covid-19 hospitalizations.
Newly released data show the effectiveness of the two-dose series dropped somewhat from the Delta period, but still performed impressively.