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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: J Infect Dis. 2015 May 5;212(10):1592–1599. doi: 10.1093/infdis/jiv269

Figure 1.

Figure 1

Variant influenza A(H3N2) virus ([H3N2]v) infection case finding associated with Fair A, Ohio, July–August 2012. Confirmed cases met clinical and exposure criteria and had a positive laboratory test for (H3N2)v. Test results were considered inconclusive if they were negative but samples were collected >4 days after illness onset. Probable cases met clinical criteria (influenza-like illness [ILI]) and exposure criteria (direct or indirect contact with swine, attendance at an event or location where confirmed cases were identified, or contact with a confirmed or probable case) ≤7 days prior to symptom onset but had no testing or inconclusive results of testing for (H3N2)v.