HE. Figure 5. Tracheobronchial lymph node; cat; inoculated with avian influenza virus RT/625 (H6N4), day 7 post inoculation (pi). Immunohistochemistry for influenza A viral antigen labels the cytoplasm
HE. Figure 5. Tracheobronchial lymph node; cat; inoculated with avian influenza virus RT/625 (H6N4), day 7 post inoculation (pi). Immunohistochemistry for influenza A viral antigen labels the cytoplasm