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水痘是由水痘病毒引起的一种小儿急性传染病，婴幼儿及学龄前儿童发病率最高，多发于冬春季节和集体儿童机构，如托儿所、幼儿园等易引起局部流行，人是唯一传染源，主要通过空气飞沫传播。皮疹为水痘最突出的症状，先见于躯干，其次是头部及四肢近端皮肤，开始表现为散在性红
Chickenpox is a childhood acute infectious disease caused by chickenpox virus. Infants and preschool children have the highest prevalence. They occur frequently in winter and spring and in collective children’s institutions. Nurseries and nurseries are easily caused by local epidemics. People are the only source of infection, Spread mainly through the air droplets. Rash is the most prominent symptom of chickenpox, first seen in the trunk, followed by the head and extremities of the proximal skin, began to show scattered red