NEW YORK -- What are the symptoms of omicron? Health experts still don't know if the new variant is causing milder COVID-19, but more indicators are emerging. The World Health Organization's top ...

The dizzying speed of omicron’s spread has left Americans questioning much of what they know about COVID-19, especially following holiday travel. “This is hitting us at a very inopportune time,” said ...

NEW YORK CITY (WABC) -- At least five cases of the COVID-19 omicron variant were reported in New York on Thursday, just hours after the Minnesota Department of Health (MDH) announced a case in a ...

Figure illustrates the overall symptomatology of Long COVID (panel A), and the shifting prevalence of Long COVID symptoms across SARS-CoV-2 variants, including Wild-type, Alpha, Delta, and Omicron ...

But Dr. Rochelle Walensky said the delta variant remains the chief concern. With the omicron variant now detected in at least 16 states in the U.S., Centers for Disease Control Director Dr. Rochelle ...

While the winter surge of COVID-19 infections fueled by the Omicron variant appears to be easing, authorities are watching the emergence of an Omicron “sub-lineage” that has spread rapidly in some ...

COVID Resurges With JN.1 Variant Dominating in India: India is witnessing a renewed surge in COVID-19 infections, with over 1000 active cases reported across the country. At the center of this spike ...

A year-end look at the new disease variants that emerged in 2025, from evolving COVID strains and flu subclades to mpox and chikungunya mutations, and what health experts learned from their spread.