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 ...

COVID-19 cases are rising this summer across much of the United States, with 27 states reporting growing or likely growing ...

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

Paxlovid is an antiviral combination therapy that can reduce the risk of COVID-19 causing severe illness, hospitalization and ...

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 ...

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

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

A County Antrim man whose father died during the Covid-19 pandemic has told the Covid-19 Inquiry that he never saw his dad ...

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