The UK Health Security Agency (UKHSA) warns that many individuals at risk may not be aware they qualify for the flu vaccine. Recent data shows only 28.9% of people with one or more long-term health conditions (LTHCs) have received the flu vaccine.
Among those under 65 in clinical risk groups, 9 million are eligible for vaccination, yet only 40% were vaccinated during 2024-2025. This leaves over 5 million people unprotected.
Vaccination rates are higher for adults aged 65 and over, with 61.5% vaccinated so far this year and 74.9% during the previous year. However, many seniors with LTHCs remain unvaccinated.
For some clinical groups, the risk of influenza-related mortality is significantly higher compared to the general population.
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Despite eligibility, over 5 million at-risk under 65s remain unvaccinated for flu, highlighting a critical gap in public health protection for vulnerable groups.
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