This issue of the Communicable disease threats report (CDTR) covers the period 3 – 9October 2026, and includes updates on respiratory virus epidemiology in the EU/EEA, pneumonia of unknown aetiology, Ebola, expert deployment, West Nile Virus, Crimean-Congo haemorrhagic fever, dengue, chikungunya, symptomatic Sindbis case in Germany, measles, and Salmonella Strathcona.