As Covid-19 transmission ramps up in the United States, recent changes to federal vaccine guidance have left many Americans confused about the latest policies and concerned about access to shots this ...

A new COVID-19 strain, referred to as NB.1.8.1 or "Nimbus," first appeared in the U.S. sometime near the end of April and is currently the dominant variant in the U.S. The new variant is said to be ...

CNBC.com's MacKenzie Sigalos brings you the day's top business news headlines. As Covid-19 cases surge around the country, and states like Oregon and New York impose strict preventative measures to ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. A new coronavirus variant is ...

A family in China, nightclubs in South Korea and a slaughterhouse in Germany: New clusters of coronavirus infections are igniting concerns about a second wave even as calls grow in some countries to ...

The summer surge of COVID-19 is here, with data from the Centers for Disease Control and Prevention showing increases across much of the country. In its latest report, the CDC said the number of cases ...

Cases have "skyrocketed" in recent weeks, one hospital official said. Michigan is in the midst of its fourth COVID-19 wave -- and there is no end in sight, hospital officials said. Cases and ...