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.
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.