Comparative Serological Assays for the Study of H5 and H7 Avian Influenza Viruses
Figure 6
pp-NT assay showing the presence of cross-reactivity in avian reference sera between 1 and 2 influenza groups tested by H5 A/chicken/Egypt/1709-1/2008 and A/chicken/Egypt/1709-6/2008 and H7 A/chicken/13474/Italy/1999. Values corresponding to 50% neutralization (IC50) and with threshold serum dilution of ≥10 were considered positive.
