Table of content Eurosurveillance issue 49 in 2025: Rapid communication Extended influenza seasons in Australia and New Zealand in 2025 due to the emergence of influenza A(H3N2) subclade K viruses Rapid emergence of Trichophyton indotineae (Trichophyton mentagrophytes ITS genotype VIII) observed in the United Kingdom, up to August 2025 Lessons from an investigation of an autochthonous chikungunya outbreak in Bergerac, mainland France, June to October 2025 Outbreaks A nosocomial outbreak of Ralstonia mannitolilytica linked to cosmetic water mist sprays in the intensive care unit of a tertiary care hospital, Switzerland, 2024 Research Spatiotemporal trends and determinants of syphilis among heterosexual males and females in the Netherlands, 2011 to 2023
Our new issue features a rapid communication on unusally long #inlfuenza seasons in #Australia & New Zealand prolonged by #H3N2 subclade K outbreaks
The source of an #outbreak of Ralstonia mannitolilytica in a hospital in Switzerland: contaminated water sprays
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