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 23-29 May 2026, and includes updates on Ebola, hantavirus, cholera, West Nile virus, and an overview of respiratory virus epidemiology in the EU/EEA.