Flu cases are rising across the UK, driven largely by a new H3N2 strain, also known as subclade k. Recent data from the UK Health Security Agency (UKHSA) reveals that flu activity has now reached medium levels, signalling an ongoing seasonal threat.
Although lab surveillance indicates a slight dip in weekly positivity rates—from 13.9% the week before January 8 to a lower figure recently—hospital admissions due to influenza remain at medium levels, with 7.19 admissions per 100,000 people.
While many experience typical flu symptoms, certain groups face a higher risk of severe complications. These include young children, older adults, and individuals with weakened immune systems. For these vulnerable populations, receiving a free flu vaccine from the NHS is strongly recommended.
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Professor Meghana Pandit, NHS national medical director, warns, “The worst is far from over for the NHS this winter. Hospitals continue to see rising admissions due to flu and other respiratory viruses.” He urges the public to seek care as needed and to avail themselves of the vaccine, which remains widely available.
The flu vaccine strengthens your immune system by exposing it to an inactive form of the virus, enabling your body to recognize and fight the real virus if exposed later. Protection typically develops around 10 days after vaccination. Importantly, the vaccine cannot cause the flu since it contains no live virus.
Health Secretary Wes Streeting stresses, “Flu can be serious, particularly for older adults, young children, and those with underlying health conditions. Vaccination remains the best defense. I encourage everyone eligible to get their flu jab promptly.”
Most people require only one flu vaccine dose per year. NHS guidelines specify six groups eligible for a free flu jab, including those who need extra protection or who live with someone at risk.
Eligible groups include:
- Older adults (usually aged 65 and over)
- Young children (typically aged two to 11)
- Pregnant women
- Individuals with certain long-term health conditions
- People with weakened immune systems
- Carers and those living with vulnerable individuals
To get vaccinated, eligible individuals can book appointments directly through their GP or visit participating pharmacies—many of which offer free NHS flu vaccinations for adults 18 and over, often with walk-in options. Availability varies by location, so checking with local providers is advisable.
For more detailed information on the flu vaccine and its ingredients, the NHS website provides comprehensive guidance.