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.
ECDC is organising a physical workshop between 16 and 18 April 2024 with national experts to develop a public health guidance to support the assessment of the risk of locally-acquired Aedes-borne viral diseases in the EU/EEA.
Information on autochthonous vectorial transmission of dengue in mainland EU/EEA, including location, period, number of cases, virus serotype and mode of transmission.
Japanese encephalitis virus is present in Asia and Oceania, from Japan to India, Pakistan and Australia. Outbreaks are erratic and spatially and temporally limited phenomena, occurring quite unpredictably. The virus is a leading cause of viral encephalitis in Asia, with 30 000 to 50 000 cases reported annually.
West Nile virus is a mosquito-borne flavivirus that is maintained in an enzootic cycle between mosquitoes and birds. Humans and horses are incidental dead-end hosts.
Sindbis virus is widely and continuously found in insects (the main vectors are Culex and Culiseta mosquitoes) and vertebrates in Eurasia, Africa, and Oceania. ECDC factsheet for health professionals