近年来,随着改革开放和商品经济的大发展,我省流动人口剧增,对外交流扩大,城市外向型转变,乡镇企业迅速发展,城乡环境特别是水源污染严重,大大增加了疾病传播流行的潜在威胁,给预防保健工作带来许多新的情况和问题。加之我省历史上就是南、北方病种都有、发病较多的一个地区,又地处长江下游,河川纵横、湖泊众多,海岸线长,卫生基础设 In recent years, with the reform and opening up and the great development of the commodity economy, the number of floating population in our province has increased dramatically, the foreign exchanges have expanded, the city’s export-oriented model has changed, and the township and township enterprises have developed rapidly. The urban and rural environment, especially water resources, has caused serious pollution, which has greatly increased the spread of disease. Potential threats have brought many new situations and problems to preventive health care. In addition, the history of our province is an area where there are both disease types and incidences in South and North China, and it is located in the lower reaches of the Yangtze River. The rivers and rivers are numerous, the lakes are numerous, and the coastline is long.