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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Gastroenterology. 2009 Sep 24;138(1):315–324. doi: 10.1053/j.gastro.2009.09.017

Figure 4.

Figure 4

Significantly greater numbers of new T cell responses are detected during reinfection than during chronic infection. Values represent new T cell responses in chronically-infected subjects in whom the same virus is detected during chronic infection, chronically-infected subjects in whom more than one genetically-distinct virus is detected during chronic infection, and reinfected subjects. A new T cell response was defined as a peptide that was recognized, in an IFN-γ ELISpot, by PBMCs obtained greater than 200 days following the first detection of viremia but not by PBMCs collected at earlier time points in reinfected subjects and chronically-infected individuals. P > 0.05 compared to both chronically-infected groups.