Chikungunya virus disease - Annual Epidemiological Report for 2021

For 2021, 24 countries reported 12 cases of chikungunya virus disease, of which all were confirmed. This was the lowest number of cases reported at the EU/EEA level since 2017.

The EU/EEA notification rate was <0.1 cases per 100 000 population. All cases were aged 25–64 years.

The majority of these cases were probably infected in Africa (n=4; 40%) and Asia (n=4; 40%). No autochthonous transmission of chikungunya virus occurred within the EU/EEA.