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2011年3月19日-4月28日,青海省海晏县县城小学发生一起水痘爆发,共有62人发病,患病率3.75%,涉及六个班,围绕此次疫情,我们开展了疫情调查。1.流行概况该校共有6个年级36个班,有1654名学生,教职工164人,校医2名。1.1时间分布首例患儿于3月19日在家发病,因临床症状轻,学生家长对本病认识不足,加之休假期满返校,且为住校生从而造成水痘的爆
From March 19 to April 28, 2011, a chickenpox outbreak occurred in the primary school of Haiyan County, Qinghai Province. A total of 62 people were affected, with a prevalence of 3.75%, involving six classes. In response to the outbreak, we conducted an outbreak investigation . 1. Popular Overview The school has a total of six 36 grade classes, there are 1654 students, 164 faculty members, 2 school doctors. 1.1 time distribution The first case of children at home on March 19 onset, due to clinical symptoms, parents lack awareness of the disease, coupled with the return of school leave on the expiry of, and for resident students resulting in the explosion of chickenpox