The ECDC updates are based on available data reported through the European Surveillance System (TESSy) by the national public health authorities of EU/EEA countries.
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).
Since the beginning of 2024, over 7.5 million dengue cases and over 3 000 dengue-related deaths have been reported from 73 countries/territories. Most cases globally have been reported from the WHO PAHO region, with Brazil reporting most cases.
The Annual Epidemiological Reports (AERs) are a key ECDC publication on the epidemiology of communicable diseases of public health significance in Europe.