关于过去在新泻、山形、秋田三县猖厥流行的恙虫病,在1950年初对新泻县的患者用氯霉素和四环素进行治疗试验,其效果是肯定的,因而,本病的死亡率从过去超过30％骤降到当时接近于O,二十世纪六十年代全国一年患者数还不到10人,进入1975年患者再度开始增加,据厚生省的报告,在1983年全国有患者672人,其中还出现死亡者。 About the past, tsutsugamushi disease, which is prevalent in Niigata, Yamagata and Akita counties, was treated with chloramphenicol and tetracycline in Niigata prefecture in early 1950. The effect is affirmative. Therefore, the mortality of this disease From more than 30% in the past plunged to nearly O at that time, the number of patients in the country was less than 10 in the 1960s and the patients started to increase again in 1975. According to the report of the Ministry of Health and Welfare, there were 672 patients People, including those who died.