Overview

• The CDC has confirmed 1,088 measles cases in the US this year and now recommends MMR vaccination for all international travelers, regardless of destination.
• The UK Health Security Agency reports 420 laboratory-confirmed measles infections in England since January, with London accounting for nearly 40% of cases.
• Europe recorded 127,350 measles cases in 2024—the highest total since 1997—with major outbreaks in France, Italy, Spain and Germany.
• MMR vaccination rates have declined over the past decade, leaving London’s second-dose coverage at just 73.3% by age five compared with the England average of 83.9%.
• Health authorities warn that summer travel could drive fresh surges and urge families to ensure everyone aged one year and older has received two MMR doses.