Communicable disease threats report, 24-30 January 2026, week 5

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 24-30 January 2026 and includes updates on respiratory virus epidemiology in the EU/EEA, Marburg virus disease, cholera, avian influenza, bacillus in infant formula, and nipah virus disease