Influenza

FluNet Summary

13 June 2016

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

National Influenza Centres (NICs) and other national influenza laboratories from 84 countries, areas or territories reported data to FluNet for the time period from 16 May 2016 to 29 May 2016 a (data as of 2016-06-10 03:53:24 UTC). The WHO GISRS laboratories tested more than 61285 specimens during that time period. 4320 were positive for influenza viruses, of which 1276 (29.5%) were typed as influenza A and 3044 (70.5%) as influenza B. Of the sub-typed influenza A viruses, 540 (71%) were influenza A(H1N1)pdm09 and 221 (29%) were influenza A(H3N2). Of the characterized B viruses, 221 (30.4%) belonged to the B-Yamagata lineage and 505 (69.6%) to the B-Victoria lineage.

Global circulation of influenza viruses
(GISRS-FluNet, snapshot 10 June 2016)

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aThe time period from 16 May 2016 to 29 May 2016 corresponds to

  • FluNet / American calendar / International standard ISO 8601: weeks 20 and 21

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