风湿热的现状余步云风湿热（ＲＦ）为Ａ组乙型溶血性链球菌感染引起的自身免疫性疾病，其严重后果为可累及心脏。本世纪６ｏ年代以来，国内外不少文献报道本病发病率大幅度下降，８０年代初期有些发达国家学者甚至提出“风湿热正在消灭中”的观点。但到８０年代中期，美国... The current situation of rheumatic fever Yu step cloud of rheumatic fever (RF) for Group A hemolytic streptococcus infection caused by autoimmune diseases, the serious consequences of involvement of the heart. Since the 1960s, many domestic and foreign literatures have reported a sharp drop in the incidence of this disease. In the early 1980s, scholars from some developed countries even put forward the idea that “rheumatic fever is being eliminated.” But by the mid-1980s, the United States ...