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

A new COVID variant, known as NB.1.8.1, has made landfall in the United States, and it's more transmissible than other ...

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 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 ...

Infants, toddlers and preschoolers exhibit symptoms of long COVID, but the symptoms can be different and more difficult to ...

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

The federal Equal Employment Opportunity Commission sued Mayo after it denied a security guard’s bid for exemption from COVID ...

He took on some of the world’s most challenging health crises in troubled areas, skillfully coordinating global efforts to ...

A new Michigan bill would allow state prosecution of ICE agents wearing masks during immigration enforcement, while ...

Two people are facing charges after health insurance programs were billed for COVID-19 test services that never happened, ...