我公社是克山病重患区,从历史上看,每年都有急性克山病发生。也曾用过一些予防药品,但效果不明显。我们于一九七七年十二月开始至一九七八年二月在省地方病二所、敦化县卫生防疫站指导下,在全公社范围内普投亚硒酸钠予防克 My commune is Keshan disease seriously affected area, historically, acute Keshan disease occurs every year. Have also used some to prevent drugs, but the effect is not obvious. We started from December 1977 to February 1978 in the provincial endemic disease two, under the guidance of Dunhua Health and Epidemic Prevention Station, in the context of the entire commune Pu Tou selenite to anti grams