Fig. 2.
Lymphoid depletion in tonsil from a PCV2-infected non-immunostimulated pig. High power of germinal centre in a tonsil from a PMWS-affected pig with lymphoid depletion showing typical PCV inclusion bodies in macrophages (arrows).
Lymphoid depletion in tonsil from a PCV2-infected non-immunostimulated pig. High power of germinal centre in a tonsil from a PMWS-affected pig with lymphoid depletion showing typical PCV inclusion bodies in macrophages (arrows).