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FIGURE WO-13 Number of specimens positive for influenza by subtypes, Southern Hemisphere, April 19 to August 29, 2009 (weeks 17-35). Bars represent the number of specimens reported positive for influenza viruses during the reporting week represented in the x-axis. The x-axis also shows the number of countries that reported to FluNet during the respective week. Example: 17 (7) means that in week 17, 7 countries reported. The right side y-axis shows the proportion (percentage) and the left y-axis shows the absolute number of specimens reported positive for influenza viruses (influenza A subtypes, pandemic H1N1, and influenza B).

FIGURE WO-13 Number of specimens positive for influenza by subtypes, Southern Hemisphere, April 19 to August 29, 2009 (weeks 17-35). Bars represent the number of specimens reported positive for influenza viruses during the reporting week represented in the x-axis. The x-axis also shows the number of countries that reported to FluNet during the respective week. Example: 17 (7) means that in week 17, 7 countries reported. The right side y-axis shows the proportion (percentage) and the left y-axis shows the absolute number of specimens reported positive for influenza viruses (influenza A subtypes, pandemic H1N1, and influenza B).

SOURCE: Fukuda (2009).



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