Communicable disease threats report, 17-23 April 2022, week 16

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 April 2022 and includes updates on COVID-19, Influenza, the arrival of people displaced from Ukraine to the EU following Russia's invasion of Ukraine, hepatitis and poliomyelitis.