Add Yahoo as a preferred source to see more of our stories on Google. The ugly head of COVID-19 is rearing once again as children return to school. Both are contagious respiratory illnesses, but they ...

Public health officials are recommending wider testing and more aggressive use of flu antiviral medicine for workers who might be exposed to bird flu at poultry and dairy farms. The Centers for ...

As summer heats up, a new set of COVID variants is fueling an uptick in cases and emergency room visits across much of the country. The series of COVID strains, nicknamed the "FLiRT" variants, are ...

The ugly head of COVID-19 is rearing once again as children return to school. Both are contagious respiratory illnesses, but they are caused by different viruses, according to the CDC. A coronavirus ...