从1972年6月底开始,黄冈县部分地区的生产队陆续发生一种原因不明的疾病,其临床表现为咳嗽、胸闷、气喘。咳嗽夜间加重,重者呈端坐呼吸,不能平卧,两肺可闻哮鸣音及干湿性罗音。少数患者有皮疹、出血点等。严重威胁广大贫下中农的身体健康, From the end of June 1972, production teams in some areas of Huanggang County have one after another unexplained disease whose clinical manifestations are cough, chest tightness and asthma. Cough at night heavier, severe were seated breathing, can not lie down, two lungs can smell wheeze and wet and dry rales. A small number of patients have rashes, bleeding and so on. Seriously threatening the general health of the poor and middle peasants,