PRAGUE, Dec 9 (Reuters) - Slovakia on Wednesday ordered schools and most shops closed for at least three weeks from Dec. 21 as the number of COVID-19 cases continued to rise. The central European ...

Experts aren't quite sure what's in store for us this cold, flu and COVID season. But with a new flu variant beginning to spread in the U.S. and low COVID vaccination rates, this may be a more severe ...

Walensky is a professor at Harvard Medical School and served as the 19th director of the Centers for Disease Control and Prevention. Once clinical trials showed that Covid-19 vaccines were safe and ...