People are still debating whether the mRNA from COVID-19 vaccines remains in the body longer than it should. Some say it ...

Pfizer (PFE) stock in focus as the company plans to release new data on its updated COVID vaccine developed with BioNTech (BNTX) after Trump’s criticism. Read more here.

Pfizer (PFE) and Moderna (MRNA) reveal trial data showing their updated COVID mRNA vaccines are safe and effective after ...

NEW YORK -- When the final Phase 3 data came out last November showing the mRNA vaccines made by Pfizer/BioNTech and Moderna were more than 90% effective, Dr. Anthony Fauci had no words. He texted ...

The quest for a vaccine against HIV has been going on for about 40 years — almost as long as the virus that causes AIDS has been known to scientists and the public. There has been some progress ...

One of the lessons we learned during the pandemic was about the collective good. In the same way that factories in, say, Ohio can cause acid rain that kills fish in the Adirondacks, we learned that ...

The Food and Drug Administration authorized Novavax's updated protein-based Covid vaccine for emergency use in people ages 12 and up on Friday, paving the way for the shot to compete with Pfizer and ...

Vaccines have been in the news lately, and not because of their lifesaving potential. Some US parents have grown hesitant about vaccinating their children. And the vaccine skepticism expressed by ...

PHILADELPHIA (WPVI) -- A local researcher from Penn Medicine says there's reason to believe at least one other potential coronavirus vaccine could be as effective as Pfizer's vaccine is said to be.

Novavax's vaccine targets the highly contagious omicron subvariant JN.1, which began circulating widely in the U.S. earlier this year. JN.1 only accounted for 0.2% of cases circulating nationwide as ...