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

This issue of the ECDC Communicable Disease Threats Report (CDTR) 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.