NEW YORK — Pfizer says its vaccine continues to be effective against COVID-19 up to six months later. Pfizer and its German partner, BioNTech, announced updated results Thursday from their ongoing ...
WASHINGTON - Pfizer said Tuesday that its experimental COVID-19 pill appears effective against the omicron variant. The company also said full results of its 2,250-person study confirmed the pill's ...
Pfizer Inc.’s covid-19 vaccine remained highly effective after six months, according to new long-term results that the company said could be used to seek an expansion of its regulatory status.
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