This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 25-31 May 2024 and includes updates on avian influenza, respiratory viruses, invasive meningococcal disease, mass gatherings for Hajj in Saudi Arabia, cholera, chikungunya, dengue, and poliomyelitis.
For 2022, 28 European Union/European Economic Area (EU/EEA) countries reported data on Crimean-Congo haemorrhagic fever (CCHF) and two countries reported a total of four cases.
Pertussis is an endemic disease in the EU/EEA and worldwide. Every three to five years, larger epidemics are expected even with high vaccination coverage.