患者张××,女,16岁,北京市某中学学生,发病前一个多月参加过军训,与家猫等动物有密切接触史。患者于1991年11月14日突然发烧,初诊感冒,3天后即11月17日赴北京医科大学某附属医院门诊,体温达39℃,疑似败血症住院。经查眼出血,肺部感染,有呼吸衰竭发生,白血球增多。但经一般抗菌素治疗均无效,经对症治疗,于12月1日患者逐渐恢复正常。而后又怀疑与流感病毒感染有关,于12月2日(即发病后18天)和12月16日各采一次静脉血,送国家流感中心进行流感病毒抗体测定。测定结果见下表:表中结果清楚表明:患者与猪型流感病 Zhang × ×, female, 16 years old, a middle school student in Beijing, more than a month before the onset of military training participated in the history of close contact with domestic cats and other animals. Patients on November 14, 1991 sudden fever, first diagnosis of flu, three days later, November 17 went to the Beijing Medical University Hospital outpatient, body temperature of 39 ℃, suspected hospitalization for sepsis. The investigation of bleeding, pulmonary infection, respiratory failure, white blood cells increased. However, the general antibiotic treatment were ineffective, the symptomatic treatment, on December 1 patients gradually returned to normal. And then suspected with influenza virus infection, on December 2 (ie, 18 days after onset) and December 16 each take a blood sample sent to the National Influenza Center for influenza virus antibody assay. The results are shown in the following table: The results in the table clearly indicate that the patient is swine flu