Pfizer’s mRNA flu vaccine outperformed the standard flu shot in a Phase 3 clinical trial, according to results published ...

Despite a U.S. factory mixup, more Johnson & Johnson doses are becoming available in the U.S., marking the only single-shot vaccine option. So how effective is it and how does it compare to the Pfizer ...

With three coronavirus vaccines already approved for emergency use authorization in the U.S., how do the different available shots compare? Pfizer and Moderna's COVID vaccines have been available in ...

A healthcare worker fills a syringe from a vial with a dose of the Johnson & Johnson vaccine (Photo by Phill Magakoe / AFP) (Photo by PHILL MAGAKOE/AFP via Getty Images) Studies indicate that the ...

A headline is fueling concern about Johnson and Johnson's one-shot vaccine, and whether it's less effective against the Delta variant. But experts point out the new study, out of NYU's school of ...

A top doctor is pushing back against a panel of experts' decision to delay voting on a recommendation to give to the Centers for Disease Control and Prevention regarding the Johnson & Johnson COVID-19 ...