疫情概况军校某学员回农村度寒假,3月1日返校,3月17日自觉身体不适。发热伴咽痛。3月19日颜面及全身出现红色斑丘疹,23日确诊为麻疹,隔离治疗。4月1日至8日,该学员所在系相继出现麻疹病人,罹患率为18.3％。一周后出现大批病人。患者均为男性,19～24岁。可以认定引起本次流行的传染源是该学员。传播途径主要是飞沫传播。流行主要原因是居住拥挤,接触频繁,病人隔离治疗 An outbreak of the epidemic A cadet returned to rural areas for a winter vacation, March 1 back to school, March 17 consciously unwell. Fever with sore throat. March 19 facial and body appear red rash, 23, diagnosed as measles, isolated treatment. From April 1 to April 8, the trainees were reported to have measles patients one after the other with an attack rate of 18.3%. A large number of patients after a week. Patients were male, 19 to 24 years old. It can be assumed that the cause of the epidemic is the source of the trainee. Spread mainly spread of droplets. The main reason is the prevalence of overcrowded, frequent contacts, the patient isolated treatment