As Covid-19 transmission ramps up in the United States, recent changes to federal vaccine guidance have left many Americans ...

Fueled by a fast-growing new variant, COVID-19 infections are regaining ground just as summer travel peaks.New CDC ...

A nine-year-old boy who wants to save his younger sister's life by donating his bone marrow will have to wait after she ...

COVID-19 activity is rising in much of the country. Data released Friday by federal health officials shows overall ...

“Midlife women often juggle caregiving, careers, and hormonal shifts that can strain the immune system,” Boden-Albala says.

As we welcome a new school year, medical experts are monitoring a new variant of COVID-19. The new strain is called NB 1.8.1 ...

A lawsuit filed Thursday alleges the Mayo Clinic violated federal law when it refused a security guard's request to be exempt ...

Living through the pandemic aged our brains faster — even among people who never became sick with COVID-19, according to a ...

The CDC is tracking a summer rise in COVID-19 cases across the U.S., with Florida showing some of the steepest increases.Dr.

The new mice study builds on previous studies that found COVID-19 doubled patients' risk of dying from cancer.