Aaron Sun News Today

Federal health officials say U.S. adults 65 and older who got a shot of the updated COVID-19 vaccine in the fall should get a booster dose now, if at least four months have passed.

People who have had COVID-19 have a significantly higher risk of suffering chronic fatigue than those who haven't had the disease, a new CDC study shows.

The uptick in illness, documented through wastewater surveillance, coincides with a sharp rise in flu activity during what's proving to be a busy season for respiratory viruses.

The delay in accurate test results is probably a result of people having accumulated immunity from COVID-19 over the years, whether from vaccinations or previous infections.

Eleven people were killed Saturday in Russian shelling in Ukraine’s partially occupied Donetsk province, according to regional Gov. Vadym Filashkin.

New data show pronounced recent jumps in the rate at which coronavirus and flu tests are coming back positive, as well as the number of hospital-admitted patients testing positive for the viruses.

U.S. Secretary of State Antony J. Blinken has met with the leaders of Turkey and Greece during the first stop of his latest Mideast diplomatic mission.

A woman in her 90s has been pulled alive from a collapsed house in western Japan, 124 hours after a major quake slammed the region.

Thanks to the newly dominant strain JN.1, about 2 million Americans are getting infected each day.

California’s hospitals are getting busier with more COVID-19 and flu patients. Los Angeles County recently entering the "medium" COVID-19 category for the first time this winter.