Pfizer says its booster shot can protect against Omicron
The companies said a third dose appears to provide a similar number of antibodies as a two-dose series against the original virus and other variants.
The companies said a third dose appears to provide a similar number of antibodies as a two-dose series against the original virus and other variants.
The companies said a third dose appears to provide a similar number of antibodies as a two-dose series against the original virus and other variants.
The companies said a third dose appears to provide a similar number of antibodies as a two-dose series against the original virus and other variants.
The companies said a third dose appears to provide a similar number of antibodies as a two-dose series against the original virus and other variants.