European Immunization Week (EIW) is marked across Europe every year in the final week of April. It aims to raise awareness of the importance of immunisation for the general health and well-being of the European and wider population.
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.
A number of European countries (including Ireland, France, the Netherlands, Sweden and the United Kingdom) indicate an increase seen during 2022, particularly since September 2022, in the number of cases of invasive Group A Streptococcus (iGAS) disease among children less than ten years of age.
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.