A former Pfizer Inc. scientist denied an allegation made by House Republicans that he conspired to delay the release of Covid ...

A former Pfizer scientist was subpoenaed Monday by House Republicans over allegations that senior executives at the pharma giant colluded to “deliberately slow down” clinical tests of its COVID-19 ...

The House Judiciary Committee subpoenaed a former Pfizer executive who allegedly claimed senior members of the company ...

Claims that Pfizer withheld positive news about its COVID-19 vaccine until after Joe Biden became president-elect are false.

Pfizer Inc and BioNTech's vaccine was 73.2% effective in preventing COVID-19 among children aged 6 months through 4 years, new data from the companies showed on Tuesday, two months after the U.S ...

Pfizer releases positive news on Covid variants, more emotional testimony from Chauvin trial and a good day for baseball fans: Read the Morning Rundown.

"Pfizer data shows it having a 12% efficacy rate." These claims were made two days after more than 80,000 pages of Pfizer COVID data was made public.

Pfizer said its vaccine was 95% effective following its Phase 3 trial, but Texas' attorney general said the data was too premature.

When the FDA released a 53-page briefing document on Pfizer’s COVID-19 mRNA vaccine candidate yesterday, most readers zeroed in on the shot’s high efficacy in a wide range of demographic groups.

Pfizer’s updated COVID-19 booster significantly revved up adults’ virus-fighting antibodies, according to early findings from a rigorous study of the new shots.

The report said GSK’s former head of vaccine development, Philip Dormitzer, who joined the company after working at rival Pfizer, had told his GSK colleagues about the delay.

Pfizer and BioNTech have submitted their application to the US Food and Drug Administration for emergency use authorization of their bivalent Covid-19 vaccine for use in people age 12 and older ...