Pathogenic Characteristics of an Infection with Canine Influenza Virus and Streptococcus equi subsp. zooepidemicus Alone or in Combination in Mice

Figure 6

Gross pathology and histopathology of the brain tissues in mice. (a) Gross pathology of brain tissues. The scale bar is 1 cm. (b) Histopathological lesions of the brain. The scale bar is 100 μm. Arrows indicate lesion areas. (c) Histopathological scores of the brain. A score <1 indicates mild pathological damage, 1–3, not including 3, indicates moderate damage, and 3 or higher indicates severe damage. , , and .

(a)

(b)

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