Skip to main content
Fig. 1 | Virology Journal

Fig. 1

From: Ducks induce rapid and robust antibody responses than chickens at early time after intravenous infection with H9N2 avian influenza virus

Fig. 1

Antibody response in chickens and ducks intranasally infected with the H9N2 virus. a A hemagglutination inhibition (HI) assay was performed to test the serum samples of birds at the indicated time points (HI > log24 was considered positive). b A blocking ELISA was used to test the serum samples of birds at the indicated time points (PI > 25% was considered positive; **, p < 0.01)

Back to article page