Communicable disease threats report, 19 - 25 April 2025, week 17

Surveillance and monitoring
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The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health professionals on active public health threats. This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 19-25 April 2025 and includes updates on respiratory virus epidemiology in the EU/EEA, influenza, avian influenza, poliomyelitis, and chikungunya virus disease.