London is England's Measles Hot-Spot

While the global measles outbreak has been recorded in numerious cities, in the United Kingdom, London has reported the most cases this year.

Since January 2025, the UKHSA has reported a total of 742 laboratory-confirmed measles cases in England, with 50% of these cases occurring in the London region.

This data is concerning since London welcomes over 20 million international travellers each year.

Since May 2025, the U.S. CDC's Level 1 Travel Health Advisory has confirmed that measles remains an ongoing risk worldwide, with an increasing number of international travelers contracting the disease. Travelers can catch measles in various travel settings, including travel hubs such as airports and train stations, on public transportation like airplanes and trains, at tourist attractions, and at significant, crowded events.

Infected travelers can bring the disease back to their home communities.

The CDC recommends that all international travelers be fully vaccinated against measles with the measles-mumps-rubella vaccine, in accordance with the CDC's measles vaccination recommendations for international travel.