Childhood vaccination rates against measles fell in the years after the COVID-19 pandemic in nearly 80% of the more than 2,000 U.S. counties with available data — including in states that are battling outbreaks this year.

U.S. health officials have changed their advice to international travelers about measles, saying Americans should be vaccinated against the disease no matter where they travel in the world.

Says Americans Traveling Abroad Should Get Measles Shots First TUESDAY, (HealthDay News) — Americans planning to travel outside the country should make sure they’re vaccinated against measles — no matter where they’re headed,