, Tamás Bakonyi, Giacomo Rossi, Paolo Mani, and Norbert Nowotny
Figure 1. . Immunohistochemical staining with Usutu virus–specific antibody showing virus antigen in the brain of a blackbird that died during an Usutu virus outbreak in Italy, 1996. Numerous neurons show characteristic, frequently coarsely granular cytoplasmic labeling (arrows). Original magnification ×390.