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For 2020, nine EU/EEA countries reported 22 cases of Zika virus (ZIKV) disease, the lowest number
ever reported since the start of EU/EEA surveillance in 2016. All cases with available information (20/22) were associated with travel outside the EU/EEA. All cases with available information (7/22) were infected through mosquitoes.

For 2020, Spain reported three cases of Crimean-Congo haemorrhagic fever and Bulgaria reported one case.

No human infections with avian influenza virus were reported in the European Union/European Economic Area (EU/EEA) in 2021. Sporadic human infections with avian influenza virus A(H5) (including A(H5N1) and A(H5N6)), A(H9N2) and A(H10N3) infection were reported globally in 2021.

No cases of variant Creutzfeldt−Jakob disease (vCJD) were identified in the EU/EEA in 2020. vCJD disease remains extremely rare.

In 2019, a total of 117 881 confirmed cases of gonorrhoea were reported by 28 EU/EEA Member States. The overall crude notification rate was 31.6 cases per 100 000 population.

In 2021, 14 560 cases of hepatitis C were reported in 29 EU/EEA Member States. Excluding countries that only reported acute cases the number of cases (14 550 cases) corresponds to a crude rate of 4.1 cases per 100 000 population.

In 2018, 30 countries reported 2 575 confirmed listeriosis cases in the EU/EEA.

In 2019, 30 countries reported 2 652 confirmed listeriosis cases in the EU/EEA.