海安县孙庄镇倪韩小学1992年2月23日至3月16日因诊断处理不及时而发生一起猩红热的校园性暴发,现将暴发因素调查分析报道如下:该校9个班级有师生306人,自1992年2月23日至同年3月16日共发生猩红热病入23例,罹患率7.52%。其中22例为学生,学生病人分布于四年级(16例)、六年级(4例)、三年级(2例)、四年级罹患率42.11%为最高。 Hai’an County, Sun Zhuang Ni Ni Primary School February 23, 1992 to March 16 because of the diagnosis and treatment is not timely and a scarlet hot school outbreak, the outbreak of factors are now surveyed and reported as follows: The school 9 classes have teachers and students 306 people, from February 23, 1992 to March 16 the same year, a total of 23 cases of scarlet fever, the attack rate of 7.52%. Among them, 22 were students, and the number of students was in the fourth grade (16 cases), the sixth grade (4 cases) and the third grade (2 cases), and the fourth grade was the highest (42.11%).