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 ...

PHILADELPHIA -- Americans face at least two weeks of uncertainty before major questions may get answered about the omicron variant of the coronavirus. Health experts urge the public to be cautious and ...

No significant increases seen in rate of hospital contacts for any of 29 adverse events in 28-day risk period after vaccination. (HealthDay News) — Vaccination with the updated COVID-19 mRNA vaccine ...

Pfizer and BioNTech have begun a clinical trial for their Omicron-specific COVID-19 vaccine candidate, they announced in a news release on Tuesday. The study will evaluate the vaccine for safety, ...

Use of the 2024-2025 COVID-19 vaccine that targets the Omicron strain was associated with significantly fewer emergency department/urgent care (ED/UC) visits than no vaccination, especially in older ...

On Thursday, Johnson & Johnson released new data showing that its COVID-19 vaccine and booster shot offers significant protection against hospitalization caused by the omicron variant. The company ...

JOHANNESBURG - The omicron variant appears to cause less severe disease than previous versions of the coronavirus, and the Pfizer vaccine seems to offer less defense against infection from it but ...

This is an archived article and the information in the article may be outdated.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. LONDON (AP) — The emergence of the new ...

Italy's health ministry launched a COVID-19 vaccination campaign for the autumn and winter seasons, introducing a new jab that has been updating to protect against an emergent variant. The campaign ...

NEW YORK (WABC) -- There will not be a vaccine mandate for cheerleaders at New York's state high school championships. The New York State Public High School Athletic Association now says it will ...