Fig. 3From: Production and identification of monoclonal antibodies and development of a sandwich ELISA for detection of the H3-subtype avian influenza virus antigenSpecificity and sensitivity of the sandwich ELISA. a Different H3 isolates were tested and shown to be positive. b Other HA subtypes of AIV, NDV, ARV, EDSV, FAdV4 and IBV were tested and shown to be negative. c Sensitivity of the sandwich ELISA for H3 virus detection. Dotted line indicates the cutoff valueBack to article page