NEW YORK (WABC) -- As COVID cases continue to drop, the CDC could update its mask guidelines as early as this week. Dr. Anthony Fauci warns it's still risky, but most of the country isn't waiting.

PHILADELPHIA (WPVI) -- When comparing omicron vs. delta variants, omicron has 53% less risk of hospitalization and 91% less risk of death, CDC Director Dr. Rochelle Walensky revealed on Wednesday.

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 ...

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 ...

CHICAGO (WLS) -- Illinois public health officials reported 6,664 new COVID cases and 28 related deaths Monday as the first omicron subvariant was detected in the state. There have been 2,920,971 total ...

SAN FRANCISCO (KGO) -- As coronavirus cases improve across the Bay Area and United States, local health officials are loosening safety guidelines. The latest number of confirmed cases in the U.S. can ...

COVID-19 rates across America have seen a sustained decline in recent weeks following a summer surge in coronavirus infections. However, some states are still seeing a rise in positive cases. New data ...

SAN FRANCISCO -- The director of COVID Response at UCSF's emergency department expects the number of cases brought on by the omicron variant to peak in the next seven to 10 days, but she doesn't ...

Moderna hopes to offer updated COVID-19 boosters in the fall that combine the original vaccine with protection against the latest variant. Now it's reporting a hint that such an approach might work.

CHICAGO (WLS) -- Illinois public health officials reported 15,453 new COVID cases and 120 related deaths Friday. There have been 2,897,174 total COVID cases, including 30,688 deaths in the state since ...

SAN FRANCISCO (KGO) -- A surge in coronavirus cases has been reported in the Bay Area and across California as well as the country due in part to the emergence of the highly-contagious delta variant.

President Joe Biden on Tuesday urged Americans to hang tight as health experts brace for a surge of new COVID-19 cases caused by the omicron variant. "I know you're tired, I know you're frustrated, ...