流行性感冒是由流感病毒引起的急性呼吸道传染病 ,其临床特点为起病急、发热、头痛、易并发肺炎。本组 18例流行性感冒患者均并发心肌炎 ,同时有一过性淋巴细胞减少、粒细胞减少等表现。现报告如下。临床资料　 18例患者均为河北省盐山职教中学的高三学生 ,其中男 11例 ,女 7例 Influenza is an acute respiratory disease caused by influenza virus. Its clinical features are acute onset, fever, headache and complicated pneumonia. The group of 18 patients with influenza were complicated by myocarditis, at the same time a transient lymphopenia, neutropenia and other performance. The report is as follows. Clinical data 18 patients were high school students in Yanshan vocational education in Hebei Province, 11 males and 7 females