Fig. 8From: Transmission and pathogenicity of canine H3N2 influenza virus in dog and guinea pig modelsAntibody response (HI test) of CIV-H3N2-challenged guinea pigs in the inoculated group, direct contact group, aerosol-exposed group and control group. The antibody titer was presented as the HI titer. Bars represent the standard deviation of the mean HI titerBack to article page