Influenza virus characterisation, Summary Europe, December 2018

This is the third report for the 2018–19 influenza season. As of week 1/2019, 18 049 influenza detections across the WHO European Region had been reported. Detections were made up of 97.7% type A viruses, with A(H1N1)pdm09 prevailing over A(H3N2), and 2.3% type B viruses, with 16 (64%) of 25 ascribed to a lineage being B/Yamagata.