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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.

This key provides the non-specialist with reference material to help recognise an invasive mosquito species and gives details on the morphology to help with verification.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 15-21 August 2021 and includes updates on COVID-19, West Nile virus, Vibrio growth, Ebola virus, and Zika.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period11-17 July 2021 and includes updates on the UEFA European Football Championship 2020 (2021), COVID-19, West Nile virus, plague and Zika.

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.

In 2018, in the EU/EEA countries: 51 cases of Zika virus (ZIKV) infection were reported; no autochthonous vector-borne cases of ZIKV infection were reported; 56.8% percent of ZIKV infection in EU/EEA travellers originated from the Caribbean, 22.3% from South-East Asia, and 11.3% from the Americas; there were no reports of cases involving sexual or vertical transmission of ZIKV.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 27 October-2 November 2019 and includes updates on Ebola virus disease, mass gathering monitoring in Japan, MERS-CoV, West Nile virus and Zika fever.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 20-26 October 2019 and includes updates on chikungunya, cholera, dengue, Ebola virus disease, influenza, mass gathering monitoring in Japan, West Nile virus and Zika fever.