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 ...

During surges, the differences in case rates between in-center and home patients were more apparent than during non-surge weeks for all variant-dominated periods.

There’s still time to “enhance our preparedness” with vaccinations, he said. While the new omicron variant of the COVID-19 virus has not yet been detected in the United States, it will "inevitably" ...

NEW YORK (WABC) -- As the highly transmissible omicron and delta coronavirus variants continue to sweep across the United States, health officials warn that more people are expected to get infected -- ...

The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new ...

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 ...

Scientists say the vaccines that use genetic technology can be easily tweaked. Vaccine makers say they are in the midst of testing their shots' effectiveness against the newly discovered omicron ...

NEW YORK (WABC) -- There will not be a vaccine mandate for cheerleaders at New York's state high school championships. The New York State Public High School Athletic Association now says it will ...