森林脑炎,亦名壁虱脑炎,是一种地区性和季节性传染病。在我省及临省吉林之各森林地区均有流行。森林脑炎首见于苏联,远在1929年已知道森林脑炎的疾患,由于那时对本病认识不足,曾诊为“中毒性流感”。1935年始被А.Γ.Па-нов氏确定它是一种脑炎。发病于森林地区,而以林产工作为主要职业者。1937年—1939年苏联保健部组织了调查团,于远东森林地区进 Forest encephalitis, also known as tick encephalitis, is a regional and seasonal infectious disease. In our province and the provincial Jilin forest are popular. Forest encephalitis first met in the Soviet Union, far in 1929 already know the disease of forest encephalitis, due to lack of knowledge of the disease at that time, had been diagnosed as “toxic influenza.” It was first identified by А.Γ.Па-нов in 1935 as an encephalitis. The incidence in the forest area, and forest work as the main occupation. 1937 - 1939 Soviet Ministry of Health organized a survey mission, the Far East forest area into