Corona Calls

Corona Calls for 11.24.2025 – the outlook for flu season

Discussed in this episode:

  • H3N2 influenza has picked up a mutation (dubbed “subclade K”) that’s raising concerns for two reasons: 1) it accounts for a growing share of influenza samples that get genetically-sequenced, implying it has some growth advantage, and 2) the mutations emerged after the makeup of this year’s flu vaccine was approved and entered production.
  • A resident of Washington State has died from the first-recorded human infection with H5N5 avian influenza.

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Podcast music credit:  Now Son by Podington Bear, licensed under a Attribution-NonCommercial 3.0 International License.