SARS-CoV-2 risk is lower among children aged younger than 5 who had vs did not have prior infection, regardless of vaccination status.

Trump has shut down the USAID work saying that it was not aligned with American strategic interests and wastes money.

Immunocompromised participants were much more likely to have received at least four doses of COVID-19 vaccine than their ...

Seven rheumatology researchers have authored a paper questioning the utility of the 2024 National Academies’ broad definition of long COVID.

Covid memory issues and concentration problems might be linked to swelling in the hippocampus, similar to that seen in ...

Indiana is seeing "very high" rates of influenza activity in emergency rooms, urgent care centers and primary care offices ...

THE UK has been hit by a barrage of winter illnesses this year. Nasty winter bugs, including flu, COVID-19, RSV and norovirus ...

The flu is walloping every corner of Massachusetts in an unusual second surge of the season, with people reporting flu-like ...

Flu infections are at or near their highest levels in at least 15 years and are still rising, the Centers for Disease Control ...

Avian influenza is continuing to plague poultry and dairy farming operations, and with the virus spreading across the country ...

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

Yahoo News provides the latest updates on the spread of bird flu in the U.S., and its effect on rising egg prices and ...