猩红热是儿童好发于冬春季节的一种传染病，多年来呈爆发流行已较少见。1998年11月至12月间猩红热在我们栖霞市实验小学流行，全校49个班级，3624名学生中有刀名学生发病，发病率为7．4％。疫情发生后，我们采取了积极有效的措施，疫情得到了控制，终末病例出现于12月8日，经过 Scarlet fever is a kind of infectious disease that occurs in winter and spring. It has been rare in recent years. From November to December 1998, scarlet fever became popular in our experimental primary school in Qixia City. There were 49 classes in the whole school. Among the 3624 students, there was a knife-known student with a prevalence of 7.4%. After the outbreak, we took active and effective measures to control the outbreak, the final case occurred on December 8, after