【摘要】 本文根据北京市的有关数据以及它们与各时期采取措施的关系,建立了SARS传播模型,并利用模型计算和分析了北京市患者人数的变动规律。结果表明,患者人数变动与措施密切相关,因此,为阻止北京市的SARS疫情,需有一定的措施力度和进一步加强公众的防范意识。更多还原

【Abstract】 This paper proposes a SARS transmission model,which explains the relationship between the trend of cases increasing every day and epidemic prevention methods adopted by the Beijing government.The cases increasing trend is analyzed through the model.It shows that the cases increasing trend changes with the epidemic prevention methods.So in order to prevent SARS transmission successfully,it needs suitable epidemic prevention methods.更多还原