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手足口病是一种以手、足、口腔等部位疱疹或丘疹为主要表现的急性传染病。引起该病的肠道病毒有20多个血清型,其中以柯萨奇病毒A16型和肠道病毒71型最为常见。这些病毒主要是通过粪-口途径或呼吸道飞沫传播,患儿和隐性感染者是重要传染源。各年龄人群对其普遍易感,但发病以5岁以下儿童为多,男童多于女童。由肠道病毒71型引起的3岁以下手足口病患者更易出现严重病例。
Hand, foot and mouth disease is a hand, foot, mouth and other parts of herpes or papules as the main manifestation of acute infectious diseases. There are more than 20 serogroups of enteroviruses causing the disease, of which Coxsackie A16 and enterovirus 71 are the most common. These viruses are mainly transmitted by the fecal-oral route or respiratory droplets, and children and latent infections are important sources of infection. People of all ages are generally susceptible to it, but the incidence of children under 5 years of age is more than that of boys than girls. Patients with HFMD caused by enterovirus 71 are more likely to have severe cases.