Communicable disease threats report, 9 - 15 August 2025, week 33

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 9-15 August 2025 and includes updates on chikungunya virus disease, dengue, Crimean-Congo haemorrhagic fever, West Nile virus infection, malaria and Listeriosis an expert deployment to Sierra Leone.