Pfizer completes FDA request for fall BA.4/5 boosters; feds expect doses in Sept. - Ars Technica

The request is partly based on preclinical data. A clinical trial has yet to start.

Enlarge/ Doses of Pfizer COVID-19 vaccine during a health campaign in Sylhet, Bangladesh on July 19, 2022. 44 with 31 posters participating Vaccine-making partners Pfizer and BioNTech announced Mon… [+5150 chars]

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