Research Article

Comparative Serological Assays for the Study of H5 and H7 Avian Influenza Viruses

Figure 5

Comparison of pp-NT with HI antibody titers. Scatterplots showing the correlation of antibody logarithmic titers measured by pp-NT (using A/chicken/Italy/13474/99) versus HI (tested against A/starling/Africa/985/79 (H7N1)). Correlation gave a value < 0.0001.
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