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Volume 14, Number 10—October 2008

Research

Norwalk Virus Shedding after Experimental Human Infection

Robert L. AtmarComments to Author , Antone R. Opekun, Mark A. Gilger, Mary K. Estes, Sue E. Crawford, Frederick H. Neill, and David Y. Graham
Author affiliations: Baylor College of Medicine, Houston, Texas, USA;

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Figure 2

Correlation of viral RNA titer with antigen ELISA (optical density [OD]). Titers of viral RNA are correlated with the OD measured by antigen ELISA for the 148 fecal samples with positive quantitative reverse transcription–PCR (qRT-PCR) results (r2 = 0.823, Spearman correlation, p<0.001).

Figure 2. Correlation of viral RNA titer with antigen ELISA (optical density [OD]). Titers of viral RNA are correlated with the OD measured by antigen ELISA for the 148 fecal samples with positive quantitative reverse transcription–PCR (qRT-PCR) results (r2 = 0.823, Spearman correlation, p<0.001).

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