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正常人口腔中有少量疏螺旋体和梭形杆菌,但不致病。当机体抵抗力降低时,这两种微生物可以引起坏死性龈口炎。1975年4～7月,我们在灌阳县黄关公社龙吟大队卫生所工作时,在流行性感冒流行之后,发现各生产队都有部分儿童患这种病。在学儿童上课时在教室内吐有很多带血唾液,这事引起了教师和校领导的注意。为了进一步做好本
Normal population of a small amount of Borrelia and Fusobacterium, but not disease. When the body’s resistance is reduced, both microbes can cause necrotic gingivostomatitis. From April to July 1975, when we were working at the Longyin Brigade and Health Station of Huangguan Commune in Guanyang County, we found that some children in each production team were suffering from the disease after the pandemic. In school children spit in the classroom during the spit has a lot of saliva, which attracted the attention of teachers and school leaders. In order to do a better job