O2是一种烈性肠道传染病,发病急、传播快、波及范围广,它的发生与流行不但对群众健康构成威胁,而且对社会安定、经济发展均具有较大影响,故其防制工作始终受到各级政府和卫生行政部门的高度重视。随着改革开放的不断深入,探讨和制订科学的、行之有效的O2防制对策,是现阶段摆在流行病学工作者面前一个十分重要的问题。我省于1996～1998年首次开展了“不同防制对策对O2控制效果评价及效益分析”的课题研 O2 is a potent intestinal infectious disease, its onset is acute, spread rapidly, spread a wide range of its occurrence and prevalence not only pose a threat to the health of the masses, but also have a greater impact on social stability and economic development, so its prevention and control It has always been highly regarded by all levels of government and health administrative departments. With the deepening of reform and opening up, discussing and formulating a scientific and effective O2 prevention and control strategy is a very important issue for epidemiological workers at this stage. In 1996 ~ 1998, our province carried out the first study on “different control measures to evaluate the effects of O2 control and benefit analysis”