我市自 1 978年开展计划免疫活动以来 ,麻疹的发病大幅度下降并得到了有效控制。但近几年来由于一些县区常规免疫接种率出现滑坡 ,监测系统敏感性降低 ,致发病回升 ,个别县区甚至出现局部暴发。为了更好控制麻疹发病 ,提供防制对策依据 ,现将 1 999年麻疹监测报告的疑似病例作? Since the city started its planned immunization campaign in 1978, the incidence of measles has dropped drastically and has been effectively controlled. However, in recent years, due to the decline of routine immunization rates in some counties and districts, the sensitivity of the monitoring system has been reduced and the incidence has risen. Some county outbreaks have even occurred. In order to better control the incidence of measles and provide a basis for prevention and control measures, we hereby refer to the suspected case of measles monitoring report in 1999