PAHO calls for strengthened vaccination and surveillance in the Americas amid a global increase of influenza A(H3N2) at HealthBulance.

Health care is our expertise. Washington, D.C., 12 December 2025 (PAHO/WHO) – The Pan American Health Organization (PAHO) has issued a briefing note, updating countries on the increasing circulation of the influenza A(H3N2) subclade K (J.2.4.1) virus in several regions of the world,

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PAHO calls for strengthened vaccination and surveillance in the Americas amid a global increase of influenza A(H3N2) subclade K

PAHO calls for strengthened vaccination and surveillance in the Americas amid a global increase of influenza A(H3N2) subclade K

Washington, D.C., 12 December 2025 (PAHO/WHO) – The Pan American Health Organization (PAHO) has issued a briefing note, updating countries on the increasing circulation of the influenza A(H3N2) subclade K (J.2.4.1) virus in several regions of the world, and to reiterate the call to strengthen surveillance and promote vaccination—particularly among…