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Old 05-01-2011, 08:12 AM   #1
hoown7174
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Default 春季流感来袭 如何预防

冬去春来,天气转暖,万物复苏。此时正值各种病源微生物易于生长繁殖和作祟之际。加之早春的气候多变,冷暖 莫测,每当人体抵抗力减弱或对外界环境适应性欠差的时候,则容易发生流行性感冒(简称流感)。
特别是近些年来,随着经济的发展,人的流动性加大,南来北往的人增多,往往容易造成流感的暴发流行。有关专 家指出,对付流感目前还没有特效药物,抗病毒的西药及一些中草药对流感的预防和早期治疗有一定作用,如有需 要,应在医生指导下使用。由于一般抗病毒药对流感疗效不佳,故预防胜于治这对幼儿及老人尤为重 要:
1、什么是流感? 流感是由流感病毒引起的急性呼吸道传染病。
2、流感的症状?
答:发热、头痛、肌痛、乏力、鼻炎、咽痛和咳嗽,可有胃肠不适。流感能加重潜在的疾病(如心肺疾患)或者引 起继发细菌性肺炎或原发流感病毒性肺炎,老年人以及患有各种慢性病或者体质虚弱者患流感后容易出现严重并发 症,病死率较高。流感的潜伏期通常为1-3天。
3、什么是流感病毒?
答:流感病毒分甲、乙、丙三型,其中甲型流感病毒易发生变异,包括亚型内的变异(抗原漂移)和新亚型的出现 或旧亚型的重现(即抗原转变)。由于流感病毒会不时衍生新品种,导致流感出现季节性爆发,因此,流感疫苗必 须定期重新调配,以确保其成效。
4、导致流感大流行的原因?
答:流感大流行是指当甲型流感病毒出现新亚型或旧亚型重现,人群普遍缺乏相应免疫力,造成病毒在人群中快速 传播,从而引起流感在全球范围的广泛流行。
5、为何流感大流行是一项重大的威胁? 答:流感大流行的传播迅速,波及范围广,发病率和病死率高重要,健尔马足疗机厂家
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