Communicable disease threats report, 27 March-2 April 2022, week 13

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 covers the period 27 March-2 April 2022 and includes updates on COVID-19, the influx of people displaced from Ukraine to the EU following Russia's invasion of Ukraine, seasonal influenza, Crimean-Congo haemorrhagic fever, and poliomyelitis.