With the delta variant now dominant in the United States, study results highlight the need for officials to do everything they can to increase vaccine uptake. As the United States grapples with a ...

The beauty of mRNA vaccines is their ability to be quickly updated. Though the vaccine makers are confident in their original vaccines, as COVID-19 continues to change, the vaccines can change, too.

NEW YORK (Reuters) -Pfizer and partner BioNTech plan to ask U.S. and European regulators within weeks to authorize a booster dose of its COVID-19 vaccine, based on evidence of greater risk of ...

Pfizer Inc. and COVID-19 vaccine partner BioNTech said late Thursday they are developing a booster shot specifically targeting the so-called delta variant of the virus that causes the disease. The ...

(Reuters) - The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that have yet to be certified by peer ...

Adult hospitalizations from Omicron-related SARS-CoV-2 (COVID-19) were less severe than Delta, and the Pfizer-BioNTech vaccine (also known as Comirnaty and BNT162b2) remains effective in preventing ...