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流行性感冒(以下简称流感)是病毒所致的急性呼吸道传染病,主要是通过飞沫传播,具有高度传染性。流感病毒可分为甲、乙、丙、丁四型,因极易变异,故经常又出现亚型,特别是甲型,而人群对于变异后的毒株缺乏免疫力,如不及时控制,每易引起暴发,流行或大流行。它以起病急、全身中毒症状明显,有高热、头痛、全身酸痛、极度疲乏和呼吸道炎症为主要临床表现,因而影响抓革命、
Influenza (hereinafter referred to as influenza) is a virus caused by acute respiratory diseases, mainly spread through the droplets, highly contagious. Influenza virus can be divided into A, B, C, D four types, because of extreme variation, it often appears subtypes, especially A, and the population of mutated strains of the lack of immunity, if not controlled in time, each Can easily cause an outbreak, epidemic or pandemic. It is acute onset, systemic symptoms of obvious symptoms of fever, headache, body aches, extreme fatigue and respiratory inflammation as the main clinical manifestations, thus affecting the grasp of the revolution,