Communicable disease threats report, 17-23 December 2023, week 51

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 17-23 December 2023 and includes updates on cholera, SARS-CoV-2 variant classification, avian influenza in fur farms, hepatitis A, pertussis, a cluster of extensively drug-resistant Shigella Sonnei among men who have sex with men, and an overview of respiratory virus epidemiology in the EU/EE.