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 ...

HHS Secretary Robert F. Kennedy Jr. has upended the way Covid vaccines are approved and for whom they’re recommended, ...

“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 ...

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

Pfizer and its German partner BioNTech on Friday lost their bid to overturn a ruling that their COVID-19 vaccine infringed ...