Volume 17, Number 7—July 2011
Research
Transmission of Influenza on International Flights, May 2009
Figure 3
![Onset date of influenza-like illness in passengers traveling to Australia on flight 2, May 23, 2009. White bar indicates a negative test result for pandemic (H1N1) 2009 virus; black bar indicates a positive test result for pandemic (H1N1) 2009; gray bars indicate ILI with no test given. ILI, influenza-like illness.](/eid/images/10-1135-F3.jpg)
Figure 3. Onset date of influenza-like illness in passengers traveling to Australia on flight 2, May 23, 2009. White bar indicates a negative test result for pandemic (H1N1) 2009 virus; black bar indicates a positive test result for pandemic (H1N1) 2009; gray bars indicate ILI with no test given. ILI, influenza-like illness.
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