FluNet Summary, 13 January 2014 (WHO, edited): 67% type A virus were H1pdm09, wks 50-52/13

[Giuseppe]

[Source: World Health Organization, full page: (LINK). Edited.]


FluNet Summary, 13 January 2014

Source: Laboratory confirmed data from the Global Influenza Surveillance and Response System (GISRS).
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Based on FluNet reporting (as of 9 January 2014, 08:05 UTC), during weeks 50 to 52 (8 December 2013 to 28 December 2013), National Influenza Centres (NICs) and other national influenza laboratories from 99 countries, areas or territories reported data.

The WHO GISRS laboratories tested more than 88 471 specimens.

17 640 were positive for influenza viruses, of which 15 233 (86.4%) were typed as influenza A and 2406 (13.6%) as influenza B.

Of the sub-typed influenza A viruses, 6889 (67.2%) were influenza A(H1N1)pdm09, and 3365 (32.8%) were influenza A(H3N2).

Of the characterized B viruses, 352 (81.1%) belong to the B-Yamagata lineage and 82 (18.9%) to the B-Victoria lineage.

View the full influenza update


Global circulation of influenza viruses

(GISRS-FluNet, snapshot 9 January 2014)

View full size chart pdf, 361kb
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The next update will be published on 27 January 2013.

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