Overview

• More than 770 laboratory-confirmed measles cases have been recorded in England since January 1, 2025.
• Outbreaks that spiked over the summer have been declining, with notable falls in London and the North West.
• Health officials warn transmission typically rises in winter and after the autumn return to school when indoor mixing increases.
• The MMR vaccine is free on the NHS and given in two doses, and people who missed shots are advised to catch up.
• Measles can cause severe complications such as pneumonia and meningitis, with infants, pregnant people and those with weakened immune systems at higher risk.