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 ...

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 that was able to ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) – As COVID cases caused by the ...

To help fend off another wave of Covid-19, people will need a fourth dose of vaccine, Pfizer CEO Albert Bourla told CBS on Sunday. "Many variants are coming, and Omicron was the first one that was ...

During an appearance on CBS News Sunday, Pfizer CEO Albert Bourla said that Americans would need a fourth dose of a COVID-19 vaccine to fend off future variants of the virus. Speaking with anchor ...

A fourth dose of an mRNA COVID-19 vaccine could increase antibodies and provide more protection from the virus, according to a new study from Israel. Researchers released new preliminary data Monday ...

Covid-19 was never just another cold. We knew it was going to stick around and keep changing to try to get the upper hand on our immune systems. But we've changed, too. Our B cells and T cells, ...

During Wednesday's White House COVID-19 press briefing, Dr. Anthony Fauci said it's "conceivable" that Americans will need a fourth dose of a COVID-19 vaccine. "Before we start talking about a fourth ...

With the CHMP affirmation, Moderna is on course to get EU approval for its fourth vaccine product and break new ground in ...