For 2019, 15 countries reported 516 cases of chikungunya virus disease, of which 421 (82%) were confirmed.

For 2019, 27 countries reported 4 363 cases of dengue, of which 4 020 (92%) were confirmed. • The number of cases in 2019 was almost double that for 2018, reflecting the intense circulation of the virus on a global scale.

For 2019, in the EU/EEA countries, 71 cases of Zika virus (ZIKV) disease were reported. Five cases of ZIKV disease were reported to have been locally-acquired, three autochthonous vector-borne cases, one case of sexual transmission and one case of non-mosquito borne transmission. 92% of cases of ZIKV disease with known importation status were from returning travellers.

For 2019, twenty-five EU/EEA countries reported 3 411 cases of tick-borne encephalitis (TBE), 3 246 (95.2%) of which were confirmed.

For 2019, eleven EU/EEA Member States reported 443 West Nile virus infections, 425 (96%) of which were locally-acquired.

For 2019, 1 069 cases of Q fever were reported in the European Union/European Economic Area (EU/EEA), 958 (90%) of which were confirmed.

For 2018, 11 312 cases of mumps were reported to ECDC by 28 EU/EEA Member States with an overall notification rate of 2.6 cases per 100 000 population.

For 2019, 21 countries in the EU/EEA reported 1 463 confirmed cases of tularaemia.

For 2019, no cases of Ebola virus disease or Marburg virus disease were reported in the EU/EEA.

For 2019, Bulgaria reported two cases of Crimean-Congo haemorrhagic fever.