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Drifted H3N2 Flu Wave Puts NHS Under Unprecedented Early Strain

UKHSA reports this season’s vaccine is providing good protection against subclade K, prompting an urgent call for eligible people to get jabbed now.

Overview

  • An average of 1,717 patients with flu were in hospital beds in England last week, including 69 in critical care, more than 50% higher than the same point last year.
  • NHS leaders warn forecasts suggest up to 8,000 beds could soon be occupied by flu patients if current trends persist.
  • Health leaders urge people with symptoms to wear masks and follow hygiene and ventilation advice, with Downing Street saying mask use is something people can consider and UKHSA calling masks a useful tool.
  • A drifted A(H3N2) subclade K is now the dominant strain in England and is driving an unusually early surge, with experts saying it is not clearly more virulent but may lead to a tougher season for older adults.
  • Schools have temporarily closed for deep cleans and London’s ambulance service reports exceptional call volumes, while authorities stress vaccination now because protection can take up to 14 days to develop.