截止到 2 0 0 1年 4月 12日上午 11时 ,全国疾病监测系统应收疫情报告 144份 ,实际收到 130份 ,共有 14个监测点未能按时报告疫情 ,这些监测点主要分布在山东、广西、四川和新疆等省区 ,本月共有 5 3个监测点报告了流动人口疫情。3月份全国疾病监测系统共报告发生甲、乙类传染 As of 11 April 2001, at 11 am, the national disease surveillance system received 144 reports of the epidemic and actually received 130 reports. A total of 14 monitoring sites failed to report the outbreak on time. These monitoring sites were mainly distributed in Shandong Guangxi, Sichuan and Xinjiang provinces this month, a total of 53 monitoring sites reported the epidemic of floating population. In March, the national disease surveillance system reported a total of Class A and Group B infections