Communicable disease threats report, 27 - 31 July 2026, week 31

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 27 - 31 July 2026, and includes updates on Ebola, West Nile Virus infections, Crimean-Congo haemorrhagic fever, dengue, avian influenza A(H9N2), expert deployment, cholera, chikungunya virus disease, Vibrio, World Pride, and an overview of respiratory virus epidemiology in the EU/EEA.