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疾病特征流行性感冒急剧发病,比普通感冒强烈,具有易传染、群体发生的特点。经过一两天的潜伏期,突然全身发冷,高烧达38℃—39℃。另外,还有食欲不振、头痛、懒倦、肌肉痛、呕吐、咳嗽、流鼻涕、咽喉痛等症状。这种症状一般持续三四天,此后开始退热,全身症状也缓解。流感令人可怕的是继发感染,主要在肺和支气管上继发性地引起细菌感染和炎症。高龄者、婴幼儿、孕妇、心脏病和糖尿病患者要注意防止继发感染。另外,伴随着感染,可并发心肌炎、心包炎,脑病、肺炎,乃至死亡。
Disease characteristics The rapid onset of influenza, stronger than the common cold, with easy infection, the characteristics of groups occur. After a day or two of the incubation period, suddenly the whole body chills, high fever up to 38 ℃ -39 ℃. In addition, there are loss of appetite, headache, laziness, muscle pain, vomiting, cough, runny nose, sore throat and other symptoms. This symptom usually lasts for three or four days, after which the fever begins and systemic symptoms are relieved. The flu is horrible secondary infection, mainly in the lungs and bronchial secondary cause bacterial infection and inflammation. Elderly, infants and young children, pregnant women, heart disease and diabetes patients should pay attention to prevent secondary infection. In addition, with infection, may be complicated by myocarditis, pericarditis, encephalopathy, pneumonia, and even death.