JEV (106.5 TCID50) was intracranially injected into the 5-week-old BALB/c mice. The 4-PBA diluent is recommended by the instructions. 4-PBA (80 mg/kg) is injected once before the challenge. After the challenge, 4-PBA is injected once a day for a total of 9 times. After the blood is collected from the eye vein of mice, the brain tissue is taken for pathological section, immunohistochemistry, Western blot and qPCR. Pathological section and immunohistochemistry experiment and result analysis are contracted by Wuhan Pinofei Biotechnology Co., Ltd., Wuhan, China.
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