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UK Issues Urgent Flu Jab Push as Mutated H3N2 Triggers Early Surge

Scientists link the rapid upswing to a summer shift in H3N2 that is blunting existing immunity, raising concern about an unusually severe winter.

Overview

  • UKHSA reports hospital admissions for flu in England rose to 3.8 per 100,000 last week from 2.4 the week before.
  • NHS England has released about 2.4 million vaccination appointments and is urging eligible people to book immediately.
  • Infections are climbing earliest in school-age children, with official data showing the highest rates in those aged 5 to 14.
  • Experts say seven mutations detected in June produced a drifted H3N2 variant that may spread more easily and partly evade prior immunity.
  • Officials cite Australia’s very large recent season as a warning and NHS leaders caution that upcoming doctors’ strike action could compound hospital strain.