What is the H3N2 superflu impacting the UK?

The H3N2 superflu is a strain of influenza contributing to rising winter flu cases in the UK, causing concern for the NHS.

Why is adenovirus considered 'hearty'?

Adenovirus is described as 'hearty' because it is more resistant to soap, water, and common disinfectants, allowing it to persist longer in the environment.

Are adenovirus cases increasing in the UK?

No, contrary to concerns, lab-confirmed cases of adenovirus are currently declining in the UK.

Home / Health / Superflu Alert: NHS Faces Worst-Case Scenario

Superflu Alert: NHS Faces Worst-Case Scenario

24 Dec, 2025

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Summary

H3N2 superflu cases are circulating, causing concern for the NHS.
Adenovirus is a hardy virus resistant to common disinfectants.
Adenovirus cases are currently declining in the UK.

Superflu Alert: NHS Faces Worst-Case Scenario

Winter flu cases are escalating in the UK, raising concerns about potential mutations and vaccination resilience. The H3N2 strain, dubbed 'superflu,' continues to spread, contributing to what health officials describe as a worst-case scenario for the National Health Service.

Amidst the flu concerns, adenovirus has been highlighted as a particularly robust virus. It is known for its ability to survive on surfaces and resist common disinfectants, making it harder to eradicate. However, current data indicates that lab-confirmed cases of adenovirus are decreasing, dropping to 1.2% from 1.7% in the preceding week.

Despite the decline in adenovirus cases, health experts emphasize the importance of preventative measures. Standard precautions such as frequent handwashing and regular surface cleaning, especially in healthcare and childcare settings, are recommended to protect against various viruses, including adenovirus.