Overview

• England has recorded 420 measles cases so far in 2025, with two thirds affecting unvaccinated children under 10, according to the UK Health Security Agency.
• London’s full two-dose MMR coverage stands at just 73%, dropping to about 50% in some boroughs and leaving significant immunity gaps.
• Bristol has emerged as a hotspot with 47 cases this year, nearly matching its 2024 total of 53.
• Europe reported over 127,000 measles cases in 2024—the highest level since 1997—raising concerns that holiday travel could fuel new infections.
• The UKHSA and NHS England have launched targeted campaigns urging parents to secure two MMR doses for nearly 99% protection and prevent a larger summer wave.