In 2024 and as of 30 of April, approximately 240 000 CHIKVD cases and over 90 deaths have been reported worldwide. A total of 18 countries reported CHIKVD cases from the Americas (11), Asia (6), and Africa (1).
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.
Every month ECDC provides detailed epidemiological overview of the worldwide transmission of chikungunya in its weekly threat report (Communicable Diseases Threat Report).
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.
In connection with the European Immunization Week, ECDC releases data indicating an increase in cases of vaccine-preventable diseases such as measles and pertussis, after decreased levels during the COVID-19 pandemic.