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

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

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

COVID is on the rise again. The uptick was first registered in Northern California, but has also started being seen in ...

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

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

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

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 ...

Moderna topped Wall Street sales expectations and reported a lower-than-expected second-quarter loss on Friday, driven by ...

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

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

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 ...