Experts: Virus surge in Europe a cautionary tale for US

FILE - In this March 15, 2021, file photo, a mother and daughter receive a COVID-19 vaccination together at the FEMA-supported Vaccination Site at Valencia College West campus in Orlando, Fla. Optimism is spreading in the U.S. as COVID-19 deaths plummet and states ease restrictions and open vaccinations to younger adults. But across Europe, dread is setting in with another wave of infections that is closing schools and cafes and bringing new lockdowns. (Joe Burbank/Orlando Sentinel via AP, File)

A Hungarian soldier wearing a hazmat suit disinfects a classroom of a combined kindergarten and elementary school in an effort to curb the spread of the pandemic of the new coronavirus in Budapest, Hungary, Wednesday, March 17, 2021. (Zoltan Balogh/MTI via AP)

Optimism is spreading in the United States as COVID-19 deaths plummet and states ease restrictions and open vaccinations to younger adults. But throughout Europe, dread is setting in with another wave of infections that is closing schools and cafes and bringing new lockdowns.