May 6, 2015; 1:10 AM ET
Following spotty showers and thunderstorms at midweek, warmth will build in the Washington, D.C., and Baltimore areas by this weekend. more >
Public health officials say the United States is experiencing a resurgence of measles because some parents are opting out of the recommended vaccines for their kids.
This year's flu season is severe. So far, at least 26 children in the United States have died of influenza, and thousands of elderly people have been hospitalized, according to the Centers for Disease Control and Prevention (CDC).