The Biden administration withheld data from the public on the risks of myocarditis from the Covid vaccine, FDA Commissioner ...

Pfizer's mRNA flu vaccine worked better than a standard flu shot in a large Phase 3 trial, researchers reported.

More than a year after its promised deadline to investors, drugmaker puts alarming results in federal government's "virtual ...

Pfizer has released the full data from its phase 3 trial of an mRNA flu vaccine candidate, with the potential new shot demonstrating 34.5% greater efficacy compared to a control vaccine. Of 9,225 ...

Pfizer’s mRNA flu vaccine outperformed the standard flu shot in a Phase 3 clinical trial, according to results published Wednesday in the New England Journal of Medicine ...

Amid uncertainty over how the Trump administration would approach mRNA COVID-19 vaccines for the upcoming respiratory virus season, the FDA has approved updated shots from Pfizer and Moderna. But ...

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 ...

Advisers to Health Secretary Robert F. Kennedy Jr. are considering major revisions to the childhood vaccination schedule, including delaying or ...