With flu season approaching, plus the possibility of another surge of Covid cases this fall, many Americans are wondering two things: When is the best time to get the flu vaccine – if there is one – ...

Moderna said on Monday its updated Covid-19 booster generated "significantly higher" neutralizing antibodies against the Omicron BA.4/BA.5 subvariants than its earlier shot. The bivalent booster used ...

While the omicron variant appears to be more resistant to COVID-19 vaccines, Dr. Anthony Fauci stressed Wednesday that the vaccines still offer substantial protection against the newly-discovered ...

Pfizer's and Moderna's omicron boosters reduced the risk of mild illness from the XBB family of subvariants compared to people who did not receive the shot, according to a study from the Centers for ...

Pfizer and BioNTech said Wednesday that initial lab tests show that the omicron variant partly escapes protection offered by the companies' two-dose regimen of their COVID-19 vaccine. However, those ...

On August 31, 2022, the Food and Drug Administration (FDA) authorized the use of updated COVID-19 booster shots that are specifically tailored to combat the 2 most recent and contagious Omicron ...

Nearly two years since the original coronavirus vaccines were given emergency authorization for use, we now have an updated vaccine that can be given as a booster shot. Here’s what we currently know ...

In "sobering news," omicron can evade the protection initial vaccines give, but boosters increase efficacy and better protect against the newest variant of concern, Dr. Anthony Fauci said Sunday. The ...