influenza
Brazil's Health Ministry confirmed the country's first case of Flu K, the H3N2 influenza A variant driving global alerts, in Pará state. This detection follows rising seasonal H3N2 circulation locally and comes amid the variant's dominance in the northern hemisphere.
由 AI 报道
Building on recent surges in Europe and the US, the World Health Organization has issued a formal alert for the 2025-2026 flu season due to the rapid global spread of influenza A(H3N2) subclade K (J.2.4.1) since August 2025. While not more severe, its advance prompts preparations in the Northern Hemisphere and anticipation in the Southern Hemisphere, including Brazil.