Avian flu: influenza A (H5N5) virus, first human case reported in the United States of America since February 2025
On 15 November 2025, WHO was notified of the 71st confirmed human case with influenza A(H5) since early 2024 in the United States of America— the first human case reported…
WHO: Recommendations announced for influenza vaccine composition for the 2026 southern hemisphere influenza season
The World Health Organization (WHO) today announced its recommendations for the viral composition of influenza vaccines for use in the 2026 influenza season in the southern hemisphere. The announcement was…