Natural infection and vaccination with influenza A (H3N2).
Previous assessments of the efficacy of inactivated influenza A vaccines have met with only limited success. Low challenge rates, lack of a stable population and inadequate information on vaccine and control groups have made results difficult to interpret.
openaire +1 more source
Interim 2025/26 influenza vaccine effectiveness estimates with immuno-epidemiological considerations for A(H3N2) subclade K protection, Canada, January 2026. [PDF]
Separovic L +18 more
europepmc +1 more source
Epidemiological diversity of seasonal influenza and post-COVID-19 pandemic changes in the UK, 2015-2025: a surveillance-based analysis. [PDF]
Yuan L, Sun C, Wang H, Zeng Z.
europepmc +1 more source
Swine influenza in East and South East Asia: which strategies to early detect emergences and cross-species transmissions? [PDF]
Lekcharoensuk, P. +2 more
core
Emergence of influenza A(H3N2) subclade K in northeast Ohio in autumn 2025. [PDF]
Xu X +6 more
europepmc +1 more source
Cross-sectional study on protective antibodies against influenza A virus subtypes and cross-protection against influenza A(H3N2) subclade K, Portugal, August 2025. [PDF]
Guiomar R +8 more
europepmc +1 more source
Immunity to hemagglutinin and neuraminidase results in additive reductions in airborne transmission of influenza H1N1 virus in ferrets. [PDF]
Septer KM +11 more
europepmc +1 more source
Influenza A(H3N2) subclade K (J.2.4.1): epidemiology in Asia, clinical context, and the "superflu" framing. [PDF]
Hariyanto TI.
europepmc +1 more source
Cats are more susceptible to the prevalent H3 subtype influenza viruses than dogs. [PDF]
Deng J +5 more
europepmc +1 more source

