Communicable disease threats report, 17 -23 October 2021, week 42

The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health professionals on active public health threats. This issue covers the period 17 -23 October 2021 and includes updates on COVID-19, West Nile virus, Ebola virus disease, seasonal influenza, avian influenza, swine influenza, and cholera.