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８０年代以来，随着我国改革开放和经济建设的迅速发展，城市流动人口日益增多，增加了各种传染病传入和传播扩散的机会。因此，加强城市流动人口卫生防病管理已成为我国公共卫生的重要课题。流动人口的数量、来源、构成、分布及流动特点（１）流动人口数量：目前我国流动...
Since the 1980s, with the rapid development of China's reform and opening up and economic construction, the increasing population of urban migrants has increased the chances of transmission and spread of various infectious diseases. Therefore, it has become an important issue of public health in our country to strengthen the management of disease prevention and control of urban migrants. The number, origin, composition, distribution and mobility characteristics of floating population (1) The number of floating population: At present, China's mobile ...