Figure 2From: Infectivity and transmissibility of an avian H3N1 influenza virus in pigsMicroscopic lung lesions in chB19-inoculatedpigs with detectable virus (A), undetectable virus (B) and uninoculated control pigs (C). Inflammatory infiltration and slight cellular debris are seen in all groups. The extent of lesions in chB19-inoculated pigs never exceeded that of control pigsBack to article page