Volume 20, Number 7—July 2014
CME ACTIVITY - Research
Epidemiology of Influenza Virus Types and Subtypes in South Africa, 2009–20121
Figure

Figure. Number of case-patients hospitalized with influenza-associated severe acute respiratory illness, by week and virus strain at 4 sites, South Africa, 2009–2012.
1This information has been presented at Options for the Control of Influenza VIII, Cape Town, South Africa, September 5–9, 2013.
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