Communicable disease threats report, 6 - 12 September 2025, week 37

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 CDTR covers the period 6 - 12 September 2025 and includes updates on respiratory viruses, avian influenza A(H9N2), Ebola, West Nile virus infection, dengue, chikungunya, Crimean-Congo haemorrhagic fever, malaria and measles.