Fatty degeneration and coagulation necrosis appeared in liver cells.Meninges of the brain had edema changes and hyperemia, and lymphocyte in the spleen decreased.

• 心肌细胞和肾小管上皮细胞颗粒变性，肝细胞脂肪变性和凝固性坏死，脾脏淋巴细胞减少，脑膜水肿充血。