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 ...

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

Dr. Judith Joseph, a psychiatrist and author, joins ABC News Live to discuss parents’ reactions to babies born during the ...

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

Question: I have heard that in some way COVID infection or having received the COVID vaccine is also a new risk for ...

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 ...

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

The COVID-19 pandemic upended life for individuals and communities worldwide. Social isolation, health mandates, illness, and ...

Christiane Starks likened her symptoms to pieces in a puzzle — without a box or picture for reference. “They all go together, and it makes a picture,” Starks said. But, she asked, “How do you know all ...