Public note
For situational awareness and research transparency. Not medical advice.
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H5N1 clade 2.3.4.4b will establish sustained cattle-to-cattle transmission in at least 3 US states by Q2 2026.
Autochthonous dengue transmission will be reported in at least 2 Southern European countries during the 2026 season.
At least one confirmed human H5N1 case with no direct poultry contact will be reported by a T1 source before July 2026.
NDM-producing Enterobacterales prevalence in European ICUs will exceed 5% in EARS-Net 2026 data.