LOS ANGELES -- The COVID-19 vaccines made by Pfizer and Moderna both require two doses to be administered, several weeks apart, for them to be fully effective. But there has been some scientific ...

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.

Pfizer said Wednesday that new test results show its coronavirus vaccine is 95% effective, is safe and also protects older people most at risk of dying — the last data needed to seek emergency use of ...

(NEXSTAR) – News is developing so quickly when it comes to COVID-19 booster shots, it can be hard to keep track of what’s happening. Have they been approved? Am I eligible? When can I get one? The ...

The Food and Drug Administration has issued approval for a booster shot of Pfizer's COVID-19 vaccine for children as young as 12. The Pfizer vaccine is the first booster shot to receive emergency ...

Pfizer is paying $30 million to use Novavax’s adjuvant technology to improve the efficacy of two of the Big Pharma’s vaccine ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (AP) – Pfizer is about to seek U.S.