Emerging Infectious Disease ISSN: 1080-6059

Human Influenza Surveillance: the Demand to Expand

Scott P. Layne*

Author affiliation: *University of California at Los Angeles, Los Angeles, California, USA

Figure 1

Global influenza surveillance for the 2004–2005 season Respiratory samples were collected from persons with febrile respiratory illness worldwide. Approximately 15% of samples were influenza positive. Note that only some of the type A viruses were subtyped. Data are from the Centers for Disease Control and Prevention website (http://www.cdc.gov/flu/weekly/weeklyarchives2004-2005/04-05summary.htm).

Figure 1. Global influenza surveillance for the 2004–2005 season Respiratory samples were collected from persons with febrile respiratory illness worldwide. Approximately 15% of samples were influenza positive. Note that only some of the type A viruses were subtyped. Data are from the Centers for Disease Control and Prevention website (http://www.cdc.gov/flu/weekly/weeklyarchives2004-2005/04-05summary.htm).

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