Moderna’s Omicron-adapted COVID-19 vaccines appear to reduce the risk of hospitalization and death in adults who are not ...

The first known meta-analysis of how SARS-CoV-2 variant type and time since infection influence long-COVID symptoms ties Omicron to brain fog and paresthesia (numbness and tingling), while earlier ...

As evidence mounts that the omicron variant is less deadly than prior COVID-19 strains, one oft-cited explanation is that viruses always evolve to become less virulent over time. The problem, experts ...

NEW YORK (WABC) -- Federal regulators are considering limiting the authorization of certain monoclonal antibody treatments that have not proved effective against the omicron variant of the coronavirus ...

An omicron subvariant is once again demonstrating immune-dodging abilities, posing a threat to both vaccinated and previously infected individuals. A report published Wednesday in the New England ...

A new symptom of COVID-19 is showing up in kids under age 5 who have been infected with the omicron variant. Doctors say cases of croup are on the rise. "What we're seeing with omicron is the virus is ...

HOUSTON, Texas (KTRK) -- As the omicron variant makes its way through southeast Texas, we're learning more about how it's impacting people, including how quickly booster effectiveness is fading. Dr.

With the latest COVID-19 variant leading to record numbers of cases worldwide, a top infectious disease expert says the virus is undergoing a major shift. Dr. Robert Redfield, the former director of ...

Add Yahoo as a preferred source to see more of our stories on Google. As cold and flu season approaches, the situation is becoming more complex with the recent emergence of the new COVID-19 variant, ...

NEW YORK (WABC) -- South Africa's noticeable drop in new COVID-19 cases in recent days may signal that the country's dramatic omicron-driven surge has passed its peak, medical experts say. Daily virus ...