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 ...

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 ...

There have been lots of changes to COVID vaccine recommendations. Here is the current vaccine schedule for people 6 months to ...

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 cases are rising this summer across much of the United States, with 27 states reporting growing or likely growing ...

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

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.

Bay Area researchers created a group of AI “scientists” that proposed a potential COVID treatment. They say the approach ...

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