An overview of influenza H5 vaccines
The Lancet Respiratory Medicine
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March 13 2025
Pandemic influenza remains a significant global health threat, as signalled by the circulation and cross-species transmission of avian influenza A(H5N1) viruses from the clade 2.3.4.4b, including among dairy cattle in the USA since 2024. Although most of the reported human infections from the USA so far1,2 have been mild, the virus can change its profile rapidly. To reduce mortality and morbidity from influenza in humans, vaccines remain the most important intervention.
