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

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

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 ...

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

Moderna topped Wall Street sales expectations and reported a lower-than-expected second-quarter loss on Friday, driven by ...

Josh Gad says he'll perform in "Jesus Christ Superstar" on Sunday at the Hollywood Bowl after a bout with COVID; John Stamos ...

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

At the U.N., he took on some of the world’s most challenging health crises in troubled areas, skillfully coordinating ...

Josh Gad appeared to make a miraculous recovery in time for Saturday's 'Jesus Christ Superstar' performance at Hollywood Bowl ...

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

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