Fig. 3From: Surveillance and characterization of avian-origin H3N2 canine influenza viruses in 2021 in ChinaReplication and virulence of H3N2 CIVs in mice. Virus titers in lungs of mice on day 4 p.i. with 106 EID50 of test virus. Data showed are the mean titers from three mice; error bars show the standard deviations. The dashed line defines the lower limit of detectionBack to article page