NEW YORK (WABC) -- The new wave of COVID-19 infections continues to rise shattering record highs, set at the peak of last winter's surge. New daily cases have more than doubled over the last two weeks ...

With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, according to a study published in Nature. Using population-wide data from ...

A heavily mutated offshoot of the Omicron lineage has now been detected globally, the CDC reports.

WASHINGTON -- President Joe Biden plans to announce on Tuesday that his administration will distribute 500 million free at-home rapid tests to Americans beginning in January to combat the surging ...

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 ...

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.

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 ...

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 cases continue to rise across the U.S., as the new KP.3.1.1 variant spreads across the country. However, this spread has not been equal across the country, with some states being hit harder than ...

This is an archived article and the information in the article may be outdated.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. U.S. regulators told COVID-19 vaccine makers ...

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 -- 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 ...