Measles Outbreak in North London: Rising Cases and Vaccination Concerns

A concerning measles outbreak is spreading across north London, with cases continuing to rise, particularly among unvaccinated children. Health officials are urging families to ensure their children are up to date with their measles, mumps, rubella (MMR) vaccinations as the outbreak intensifies.

Current Situation: Cases and Locations

As of February 16, 2026, at least 50 confirmed cases of measles have been reported in the borough of Enfield, London. The Independent reports that the outbreak began in January, with 34 laboratory-confirmed cases reported between January 1 and February 9. Additional cases have been identified in neighboring Haringey (10 cases) and Birmingham (23 cases).

The UK Health Security Agency (UKHSA) has stated that the outbreak is “mostly affecting unvaccinated children under 10 in schools and nurseries.” Infections have been confirmed in at least seven schools in Enfield and neighboring Haringey.

The Risk of Measles and Complications

Measles is a highly contagious viral infection that can cause serious health complications. Symptoms typically begin with cold-like symptoms, followed by a rash. Complications can include ear infections, encephalitis (swelling of the brain), blindness, breathing problems, and pneumonia.

According to the BBC, approximately one in five children who contracted the illness in Enfield have been admitted to hospital, and all of those hospitalized were not fully immunized.

Measles can as well impair immune memory, increasing susceptibility to other infections for months.

Vaccination Rates and Herd Immunity

The World Health Organization (WHO) recommends that at least 95% of children receive vaccine doses for measles to achieve herd immunity. But, vaccination rates in north London are significantly lower.

Data from 2024-2025 shows that only 64.3% of five-year-olds in Enfield have received both doses of the MMR vaccine, one of the lowest rates in the country. Vaccination rates are below 80% in all London boroughs, with Haringey at 65% and Hackney at 58.3%.

Protecting Vulnerable Infants

Babies aged 6-12 months traveling to areas with high measles rates or current outbreaks may need vaccination, according to the North Central London Integrated Care System. Infants too young to be fully vaccinated rely on community immunity for protection.

Call to Action: Vaccination and Catch-Up Clinics

Health officials are urging families to ensure their children are up to date with their MMR vaccinations. Free catch-up clinics are available across the UK for children who missed their vaccinations at school.

Enfield Council is working closely with the UKHSA and NHS to limit the spread of the outbreak.

Key Takeaways

• A measles outbreak is occurring in north London, with 50 confirmed cases in Enfield as of February 16, 2026.
• The outbreak primarily affects unvaccinated children under 10.
• Measles can lead to serious complications, including pneumonia and encephalitis.
• Vaccination rates in north London are below the recommended level for herd immunity.
• Families are urged to ensure their children are fully vaccinated and to utilize available catch-up clinics.