As health officials scramble to minimize spread of the highly contagious Omicron variant, many experts have recommended that people switch from cloth or surgical masks to more-protective N95 and KN95 ...

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

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 CITY (WABC) -- NYC and New York are taking action after the state has set a new record of 28,924 positive cases --the sixth straight day over 20,000. Amid the rise in cases, most visits at ...

NEW YORK (WABC) -- With the push to get more people boosted and with COVID cases continuing to decline, there could soon be some different guidance when it comes to wearing masks across the country.

NEW YORK -- The use of some monoclonal antibody treatments against COVID is now being discouraged, and updated guidelines from the NIH COVID Treatment Panel say Regeneron and Eli Lilly's treatments ...

The U.S. Food and Drug Administration recommended that Covid vaccine manufacturers make single-strain shots for the fall that target omicron subvariant XBB.1.5. XBB.1.5 is the dominant strain of the ...

The dominant variant of the coronavirus has proved to be not only staggeringly infectious, but an evolutionary marvel. By Carl Zimmer By November 2021, nearly two years after the coronavirus emerged ...

And then, the day after the turkey, the pandemic delivered a big new surprise. Researchers in Botswana and South Africa alerted the world that a highly mutated version of the virus had emerged and was ...