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21世纪的公共卫生定位和20世纪相比有了非常大的变化。公共卫生已不仅与国民的健康有关,还与国土安全等许多问题有关,这是公共卫生发展的新方向,随之而来的是适应这种新趋势的公共卫生专业体系的变化。除此以外,公共卫生还面临着生物医学模式向生物-心理-社会医学模式的转变。
The public health positioning in the 21st century has changed greatly compared with the 20th century. Public health has not only been related to the health of the people, but also related to many issues such as homeland security. This is a new direction for the development of public health, followed by changes in the public health professional system adapted to this new trend. In addition, public health is also facing a shift from a biomedical model to a bio-psychological-social medical model.