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Figure 1 | BMC Infectious Diseases

Figure 1

From: Fever screening during the influenza (H1N1-2009) pandemic at Narita International Airport, Japan

Figure 1

Flow chart of participants in the study. Two datasets were collected at Narita International Airport. The first contained confirmed influenza cases whose diagnosis took place at the airport during the early stages of the pandemic (Study A). The second contained a selected and suspected fraction of passengers (self-reported or detected by an infrared thermoscanner) screened from September 2009 to January 2010 (Study B).

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