1976年7月美国退伍军人协会宾夕法尼亚州分会在费城举行第58届年会,与会人员连同家属共4400余人,爆发了原因不明但临床表现相同的流行病,其特征为发热、咳嗽和肺炎。共发病221人,死亡34人,病理解剖为肺炎,这次大规模流行而又未被认识的严重疾病,被命名为军团病(legionnaires’ disease简称LD)。 July 1976 The Pennsylvania Legion of the United States Veterans’ Association held its 58th annual conference in Philadelphia. More than 4,400 participants, together with their families, erupted in unidentified but clinically identical epidemics characterized by fever, cough and pneumonia. A total of 221 people were reported and 34 died. The pathological anatomy was pneumonia. This large-scale epidemic was an unidentified serious disease and was named legionnaires’ disease (LD).