Authorization for a third dose for immunocompromised patients may have been an initial step toward booster shots of the COVID-19 vaccines, but Pfizer Inc./BioNTech SE have taken a bigger step in submitting the first clinical trial data to the US Food and Drug Administration for approval of a third shot of BNT162b2.
The companies said 16 August that they submitted Phase I safety and immunogenicity data for a third, 30mcg shot of...






