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2010年5月22日下午16∶55,沈阳市于洪区疾病预防控制中心在疫情网监测发现,于洪区某小学5月5—22日累计发生风疹20例。本中心曾分别于5月5日该小学发生4例时和5月11日该小学发生9例时与沈阳市疾病预防控制中心相关专业人员赶赴现场开展监测采样及调查处理工作,5月5—9日发生9例,5月20—22日发生11例,达到一般级突
May 22, 2010 at 16:55 pm, Yuhong District, Shenyang Center for Disease Control and Prevention in the epidemic situation monitoring found that a primary school Yuhong May 5-22 occurred in 20 cases of rubella. The center had on May 5 when the primary school occurred in 4 cases and May 11 when the primary school occurred in 9 cases and Shenyang City Center for Disease Control and Prevention related professionals rushed to the scene to carry out monitoring and sampling and investigation and handling work in May 5- 9 cases occurred on the 9th, May 20-22 occurred in 11 cases, reaching the level of sudden