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Euro Surveill. 2018 Mar;23(13). doi: 10.2807/1560-7917.ES.2018.23.13.18-00146.

Dominant influenza A(H3N2) and B/Yamagata virus circulation in EU/EEA, 2016/17 and 2017/18 seasons, respectively.

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European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden.
Microbiology Department, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece.
The members of the European Influenza Surveillance Network are listed at the end of article.


We use surveillance data to describe influenza A and B virus circulation over two consecutive seasons with excess all-cause mortality in Europe, especially in people aged 60 years and older. Influenza A(H3N2) virus dominated in 2016/17 and B/Yamagata in 2017/18. The latter season was prolonged with positivity rates above 50% among sentinel detections for at least 12 weeks. With a current west-east geographical spread, high influenza activity might still be expected in eastern Europe.


Europe; epidemiology; influenza; intensive care; mortality; severity; surveillance

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