Pfizer and BioNTech, which produced the first COVID-19 vaccine authorized in the U.S., say they will expand ongoing trials to include a third dose for children as young as 6 months old.

The CDC is updating its guidance after studies show "test to stay" policies can keep more children in school without spreading the coronavirus.

The Federal Reserve is opening the door to possible interest rate hikes earlier next year than had been expected, as it wrestles with the highest inflation in nearly four decades.

The police conducted raids in the city of Dresden and the nearby town of Heidenau come after a group allegedly organized online to kill Saxony's state premier, Michael Kretschmer.

Scientists are watching how Portugal and other highly vaccinated countries are faring against the coronavirus' new omicron variant.

The campus reported nearly 500 new cases of COVID-19 among the student body. The new omicron variant was detected "in a significant number" of positive tests, the university said.

The research finds that the medicine, called Paxlovid, was effective in preventing hospitalization and death when taken by people with mild to moderate illness within a few days of symptoms.

Health care workers in the U.S. are eyeing the omicron variant of COVID-19 while the delta variant continues to put hospitals under stress.

Don Gonyea speaks to Atul Grover, health policy researcher and executive director at the Association of American Medical Colleges, about the issues with at-home COVID-19 tests.

Businesses across the country, from restaurants to retail, must decide when, not if, to raises prices and by how much.