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. 2004 Jan 26;101(5):1356–1361. doi: 10.1073/pnas.0308352100

Fig. 3.

Fig. 3.

Detection of H7N7 influenza A virus in humans. (A) Numbers of confirmed cases of H7N7 infection in individuals presenting with conjunctivitis or influenza-like illness in The Netherlands between March 1 and April 30, 2003, as determined by RT-PCR. (B) Comparison of the Ct values, the first TaqMan RT-PCR cycle in which matrix gene of influenza A virus was detected in throat/nose (open bars) or conjunctiva (filled bars) swabs in H7N7 and H3N2 influenza A virus-infected individuals, identified in the same group of individuals in the same time period.