Every month ECDC provides detailed epidemiological overview of the worldwide transmission of chikungunya in its weekly threat report (Communicable Diseases Threat Report).
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.
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.
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.
As of 10 February 2022, EU/EEA and EU-neighbouring countries reported 159 locally acquired human cases of West Nile virus infection, including 13 deaths, in 2021. The last case of this transmission season was reported by Greece in week 45.
The number of reported human cases of illness caused by Campylobacter and Salmonella bacteria across Europe appears to have stabilised over the past five years, according to the latest report on zoonotic diseases by EFSA and ECDC.
As of 1 February 2021, European Union (EU) and European Economic Area (EEA) Member States and EU-neighbouring countries reported 336 locally-acquired human cases of West Nile virus infections in 2020. The last case of this transmission season was reported by the Netherlands in week 47.