The U.S. Centers for Disease Control and Prevention is advising those planning to travel internationally to make sure they’re vaccinated against measles. The warning, issued last week, says cases of the highly contagious disease are on the rise around the world.

The US Centers for Disease Control and Prevention has updated its immunization schedule for children, days after US Health and Human Services Secretary Robert F. Kennedy Jr. announced that Covid-19 vaccines would be struck from the list of recommended shots for healthy children and pregnant women.