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 ...

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

Britain’s economy is still suffering from long Covid. The unmatched spike in public debt, the 1.2 million extra people on ...

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 ...

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

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 ...

Long Covid, also known as Post-Covid Syndrome, is a new condition that is still being studied. Most people who have Covid ...