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 ...

Scientists say they have identified a mutated autoantibody gene as the mechanism behind rare but serious abnormal blood ...

Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.

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 ...

LOS ANGELES -- The COVID-19 vaccines made by Pfizer and Moderna both require two doses to be administered, several weeks apart, for them to be fully effective. But there has been some scientific ...

Tuesday Pfizer announced it's expanding its clinical trials for younger children ages 5 to 11-years-old. Medical doctors are calling this the final frontier. This is a 2-year study, where a subset of ...

WASHINGTON -- Pfizer announced Friday that it submitted a request to the U.S. Food and Drug Administration to allow emergency use of its COVID-19 vaccine to children as young as 12. This is the next ...

Labor Department Officials Frustrated With White House Over COVID-19 Vaccine and Testing Mandate The FDA Authorized a Booster ...

(Reuters) -Pfizer and Moderna on Wednesday defended their COVID-19 vaccines as having saved millions of lives worldwide, in separate responses to U.S. President Donald Trump's demand that ...

Pfizer reported lower fourth-quarter sales as demand for its Covid-19 vaccine and antiviral drug continued to decline.