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For 2019, 29 countries reported 4 046 cases of hantavirus infection (0.8 cases per 100 000 population), mainly caused by Puumala virus (98%).

For 2019, 8 641 malaria cases were reported in the EU/EEA, 8 638 (> 99%) of which were confirmed.

This is the fifth report for the 2020-2021 influenza season. As of week 12/2021, only 758 influenza detections across the WHO European Region had been reported to The European Surveillance System (TESSy); 50% type A viruses, with A(H3N2) and A(H1N1)pdm09 being equally represented, and 50% type B viruses, with only 12 having been ascribed to a lineage, 10 B/Victoria and two B/Yamagata.

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.

This report provides an overview of the latest TB epidemiological situation and is published jointly by the WHO Regional Office for Europe and the European Centre for Disease Prevention and Control (ECDC).

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

This is the fourth report for the 2020-2021 influenza season. As of week 8/2021, only 712 influenza detections across the WHO European Region had been reported to TESSy; 51% type A viruses, with A(H3N2) and A(H1N1)pdm09 being equally represented, and 49% type B viruses, with only 10 having been ascribed to a lineage, eight B/Victoria and two B/Yamagata.