Communicable disease threats report, 15-21 May 2022, week 20

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 15-21 May 2022 and includes updates on COVID-19, the arrival of people displaced from Ukraine to the EU following Russia’s invasion of Ukraine, Influenza, polio virus, hepatitis, avian influenza, swine influenza, and poliomyelitis.