Every month ECDC provides detailed epidemiological overview of the worldwide transmission of chikungunya in its weekly threat report (Communicable Diseases Threat Report).
Additional cases of Crimean-Congo haemorrhagic fever (CCHF), a potentially life threatening tick-borne viral disease, have been reported in the EU/EEA, according to new data published by ECDC. Experts have warned of an increased risk of transmission on the continent.
During the 2023 West Nile virus transmission season, and as of 4 January 2024, 709 locally acquired human cases of West Nile virus infection, including 67 deaths, were reported by nine European Union countries.
Arenaviruses are a type of small virus commonly found in rodents. When a person becomes infected with an arenavirus, symptoms usually begin within 10 days.
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.
Campylobacteriosis and salmonellosis were the most frequently reported zoonotic diseases in humans in the EU in 2022. For West Nile virus, an increase of the number of infections was observed.
Since 2022, and as of 17 July 2023, 19 neonates with severe Echovirus 11 (E11) infection have been reported in the EU/EEA, by France, Croatia, Sweden, Spain, and Italy, and nine of these neonates have died.
As of 30 June 2023, European Union, European Economic Area and EU-neighbouring countries have reported 1 340 locally acquired human cases of West Nile virus infection, including 104 deaths, in 2022.
The mosquito species Aedes albopictus, a known vector of chikungunya and dengue viruses, is establishing itself further northwards and westwards in Europe, according to the latest data.