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Influenza vaccination campaigns

The importance of vaccination campaigns to prevent severe illness and reduce hospital burden, even in the face of antigenic drift

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Feb 7, 2026

How is the WHO allocating its 2026 appeal funds across conflict zones and outbreaks?

’s 2026 Health Emergency Appeal seeks nearly US$1 billion to respond to 36 emergencies worldwide — including 14 “Grade 3” crises that require the organization’s highest-level response — targeting prot...

Feb 6, 2026

influenza H3N2 vaccine effectiveness for 2025-2026 in the northern hemisphere

The provides meaningful protection against the circulating H3N2 viruses but is imperfect against the newly dominant : antigenic studies show reduced reactivity to subclade K versus the vaccine referen...