The European Centre for Disease Prevention and Control (ECDC) has published 2019 annual epidemiological reports for:
- Chikungunya virus disease - 15 countries reported 516 cases in the EU and EEA, of which 421 (82%) were confirmed. The number of cases was higher than in 2018, but comparable to 2016 and 2017, with the notification rate being 0.1 cases per 100,000 of the population. Of the cases with known probable country of infection, 78% were imported from Asia, mostly from Thailand, India and Myanmar. No autochthonous transmission of chikungunya virus occurred within the EU or EEA in 2019.
- Dengue - 27 countries reported 4,363 cases of dengue in the EU and EEA, of which 4,020 (92%) were confirmed, and the notification rate being 0.9 cases per 100,000 of the population. Of the cases with known probable country of infection, 64% were imported from Asia, mostly from Thailand and India. Twelve autochthonous dengue cases were reported from the EU or EEA. Most autochthonous dengue cases were the result of the virus being transmitted by a mosquito vector.
Sources: ECDC, 14 April 2021 and ECDC, 14 April 2021