Real-time RT-PCR, H&E and IHC result comparison for sheep euthanized on 6, 8 and 11 days post-infection.

Y = Lesions present consistent with PPR infection. N = No significant histopathological findings. NS− No sample. IHC = Immunohistochemistry score: +wk = weak immunostaining (<20 cells);+ = mild immunostaining (<25% of the section);++ = moderate immunostaining (25% to 50% of the section);+++ = abundant immunostaining (51% to 75% of the section);++++ = extensive immunostaining (>75% of the section).