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New Flu Variant Threatens Record Season

Summary

  • A new H3N2 variant, 'Subclade K', can partially evade immunity and vaccines.
  • Flu vaccination rates in the US have declined since the pandemic began.
  • Health experts anticipate the upcoming flu season could match or exceed last year's record numbers.
New Flu Variant Threatens Record Season

The United States is bracing for another severe flu season, with health officials warning that it could match or surpass last year's record-breaking numbers. A new H3N2 influenza A variant, dubbed 'Subclade K,' is a primary cause for concern due to its rapid global spread and its capacity to partially evade the immune system and existing seasonal vaccines.

This emerging strain has already been detected in several countries, including Japan, the UK, and Canada, and is expected to reach the US soon. Its detection comes at a time when flu vaccination coverage in the US has seen a steady decline since the COVID-19 pandemic, with rates for both children and adults falling below pre-pandemic levels. This reduced immunity is a significant worry for public health.

While the full impact of Subclade K is still under investigation, early reports suggest it may cause more severe symptoms. Despite this, health authorities emphasize that annual flu vaccinations remain the most effective defense against serious illness from all strains, urging everyone aged six months and older to get vaccinated.

Disclaimer: This story has been auto-aggregated and auto-summarised by a computer program. This story has not been edited or created by the Feedzop team.
Subclade K is a new variant of the H3N2 influenza A virus that is spreading globally and shows an ability to partially evade immunity and seasonal vaccines.
Flu vaccination rates have declined since the COVID-19 pandemic, influenced by factors like misinformation and shifts in public health priorities.
Health experts anticipate the 2025-2026 respiratory virus season to be as intense as, or more intense than, the previous year's season, with rising cases already observed.

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