The CDC’s changes threaten to cut vaccine sales for makers including Pfizer, Moderna, Merck and more, but a legal expert ...

Explore Pfizer’s evolving pipeline strategy, expanding into oncology and obesity to drive growth beyond its COVID-19 success.

The US Food and Drug Administration has issued emergency use authorization (EUA) for the Covid-19 vaccine developed by Pfizer and BioNTech. After months of development, emergency use was authorized ...

A rise in tuberculosis cases in Malaysia triggered social media posts falsely claiming that the bacteria responsible for the disease were deliberately inserted into Pfizer's Comirnaty Covid-19 ...

The fall COVID-19 vaccine season is starting slowly for Pfizer, with U.S. sales of its Comirnaty shots sinking 25% after federal regulators narrowed recommendations on who should get them. Approval of ...

After Pfizer pulled back on their FDA COVID-19 vaccine authorization request for kids under 5 years old, experts worry the postponement might trigger trust issues with parents, making them less ...

COVID-19 vaccination showed effectiveness in reducing hospitalizations and severe disease outcomes associated with the SARS-CoV-2 JN.1 lineage, according to a recent study published in JAMA Network ...

Vaccine maker Pfizer said Friday that trials of its vaccine in children ages 2 to 5 show that it did not provide the expected immunity in kids this age, and it is adding a third dose to the regimen.

PHILADELPHIA -- To help fend off another wave of Covid-19, people will need a fourth dose of vaccine, Pfizer CEO Albert Bourla said Sunday. "Many variants are coming, and Omicron was the first one ...