Communicable disease threats report, 29 November-5 December 2020, week 49

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 29 November-5 December 2020 and includes updates on COVID-19, Legionnaires' disease, polio, seasonal influenza and Middle East respiratory syndrome coronavirus (MERS-CoV).