Influenza virus characterisation, Summary Europe, October 2018

This is the first report for the 2018–19 influenza season. As of week 44/2018, only 540 influenza detections across the WHO European Region have been reported. Detections were made up of 88.4% type A viruses, with A(H1N1)pdm09 prevailing over A(H3N2), and 15.6% type B viruses, with the few (5) ascribed to a lineage being B/Yamagata.