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 ...

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 ...

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

The neurological effects of long COVID are no less troubling. Patients commonly report “brain fog,” memory lapses, difficulties concentrating, sensory hypersensitivities and extreme fatigue. Others ...

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

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

Dr. Judith Joseph, a psychiatrist and author, joins ABC News Live to discuss parents’ reactions to babies born during the COVID-19 pandemic in 2020.

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 ...

The same cities which experienced rapid growth during the pandemic are now reporting the highest share of home listings with ...