中枢神经系统病毒感染种类繁多,命名尚未完全一致。近年来国内外报导的材料较多,但在国内所见,无明显地区性、季节性,可能是病毒引起的,尚未找到病原。以大脑为主的病变又称非特异性脑炎。一类是以上呼吸道为前驱症状,首发为咳嗽、低热、头痛,逐渐发展为神经精神症状;一类以消化道为前驱症状,首发为恶心、呕吐、腹泻、发热、头痛,以后发展为神经精神症状;一类是亚急性发 There are various types of CNS virus infections and their names have not been completely identical. In recent years, there are more materials reported at home and abroad, but in China, there is no obvious regional, seasonal, may be caused by the virus, yet to find the pathogen. The brain-based lesions, also known as non-specific encephalitis. One is the upper respiratory tract as a precursor to the symptoms, the first episode of cough, fever, headache, and gradually develop into neuropsychiatric symptoms; a class of digestive tract as the precursor symptoms, the first episode of nausea, vomiting, diarrhea, fever, headache, later developed into a neurotic Symptoms; one is subacute hair