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

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

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

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

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 ...

COVID-19 didn’t directly cause the cancer to spread, but created an environment where dormant cells elsewhere in patients’ ...