COVID-19 trends also depend on the emergence and spread of new variants. The latest, including NB.1.8.1, are getting better ...

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

Massachusetts-based Moderna said it plans to cut 10% of its global staff as part of its ongoing efforts to reduce annual ...

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

According to Lokant, if you have COVID and notice certain concerning symptoms, such as difficulty breathing, chest pain or ...

Respiratory infections like COVID-19 and the flu can activate dormant cancer cells in breast cancer patients who are in remission, new research finds. The study, published in Nature, found that common ...

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

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

A lawsuit filed Thursday alleges the Mayo Clinic violated federal law when it refused a security guard's request to be exempt ...

Health and Human Services Secretary Robert F. Kennedy Jr., a longtime anti-vaccine activist, has upended the way Covid ...

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

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