South East London at risk from low vaccination rates

April 13, 2026

South London faces a growing threat of preventable disease outbreaks, with vaccination rates across the capital falling significantly below the level required to protect the population.

A report by the London Assembly Health Committee has highlighted concerns following a surge in measles cases, with uptake in London currently standing at approximately 70%, well below the 95% recommended by the World Health Organisation to achieve herd immunity.

The committee's findings indicate that this low coverage leaves the city vulnerable, particularly in densely populated urban areas and communities experiencing deprivation. Measles, a highly infectious but preventable disease, has seen 167 cases in London in 2026 so far, with a significant proportion requiring hospital treatment. While the source text does not specify South East London boroughs directly, the overall London-wide figures suggest a risk across all areas, including those in the South East.

Measles Outbreak and Declining Uptake

The London Assembly Health Committee convened an evidence session to address the escalating measles situation. The data presented revealed that vaccine uptake in some London boroughs is as low as 64%, a figure that experts warn is insufficient to prevent widespread transmission. The committee has formally written to the Mayor of London and the Secretary of State for Health and Social Care, urging them to consider strategies for supporting boroughs with low vaccination rates.

The committee is advocating for sustained, localised vaccination campaigns and improved data sharing to help boost uptake. Emma Best AM, Chair of the Health Committee, stated, "What we are seeing in London should set alarm bells ringing as vaccination rates are amongst the lowest in the country, and as a result, preventable outbreaks are becoming inevitable rather than exceptional." She emphasised the need to move beyond emergency catch-up campaigns towards sustained, targeted action to rebuild routine vaccination coverage and ensure equitable access to vaccines.

Wider Health Implications

Experts have warned that the decline in vaccination rates poses a risk for other infectious diseases beyond measles, including meningitis. The committee's report underscores the critical need for proactive measures to safeguard public health, particularly for vulnerable populations such as children. The current situation highlights a broader challenge in maintaining high vaccination coverage in a large, diverse city like London. National statistics indicate that childhood vaccination rates have been a concern across the UK in recent years, with various factors contributing to the decline.

Author

South London News NHS & Wellbeing Desk

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