Influenza

FluNet Summary

30 May 2016

Source: Laboratory confirmed data from the Global Influenza Surveillance and Response System (GISRS).

National Influenza Centres (NICs) and other national influenza laboratories from 90 countries, areas or territories reported data to FluNet for the time period from 02 May 2016 to 15 May 2016 a (data as of 2016-05-27 03:46:29 UTC). The WHO GISRS laboratories tested more than 63813 specimens during that time period. 6224 were positive for influenza viruses, of which 2104 (33.8%) were typed as influenza A and 4120 (66.2%) as influenza B. Of the sub-typed influenza A viruses, 938 (79%) were influenza A(H1N1)pdm09 and 249 (21%) were influenza A(H3N2). Of the characterized B viruses, 268 (25%) belonged to the B-Yamagata lineage and 804 (75%) to the B-Victoria lineage.

Global circulation of influenza viruses
(GISRS-FluNet, snapshot 27 May 2016)

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aThe time period from 02 May 2016 to 15 May 2016 corresponds to

  • FluNet / American calendar / International standard ISO 8601: weeks 18 and 19

Other analyses

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