New mutated strain of flu driving 'worst illness in a decade' across UK

New Mutated Strain of Flu Driving Worst Illness in a Decade Across the UK

A new flu variant has begun spreading earlier than expected and may be responsible for thousands of deaths across the UK this year. Experts warn that the country could be facing its most severe flu season in a decade, surpassing last year’s toll of 8,000 deaths and the previous high of 16,000 fatalities.

Japan has responded by closing schools, while the UK Health Security Agency advises those with symptoms to avoid contact with others. Doctors recommend isolating for seven days if unwell.

Researchers have identified a mutated strain of the H3N2 variant that appears both more contagious and more aggressive than typical seasonal flu types.

“We haven't seen a virus like this for a while; these dynamics are unusual. It does concern me, absolutely. I'm not panicking, but I am worried,” said Professor Nicola Lewis, director of the World Influenza Centre at the Francis Crick Institute.

Professor Derek Smith, head of the Centre for Pathogen Evolution at the University of Cambridge, emphasized the global risk:

“It almost certainly will sweep the world.”

Cases began surging across the UK in September, and early evidence suggests the new mutations make the virus easier to contract and spread.

Author’s Summary

A rapidly evolving H3N2 flu strain has triggered a potentially severe outbreak in the UK, prompting global concern and renewed public health precautions.

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The Mirror The Mirror — 2025-11-09

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