公共卫生是保证大众卫生健康的工作。工作对象是社会人群,任何一项工作都可以称得上是一项社会工程,涉及面广,内容多,并且突发事件多,工作主客方人员多,项目繁杂,工作时间长,有些工作需要几个月、几年、甚至十几年,又有些应急工作必须几小时甚至当天完成,资料的收集整理保存利用难度很大。然而公共卫生工作的承继性很强,无论是常规性工作还是突发公共卫生事件的应 Public health is the job of ensuring public health. The target group is a social group. Any job can be regarded as a social project. It covers a wide range of areas, has many contents, and has many emergencies. There are many staff and guests at work, the project is complicated, and the working hours are long. Some jobs require For months, years, or even decades, some emergency work must be completed within a few hours or even the same day. It is very difficult to collect, sort, and preserve data. However, the succession of public health work is very strong, whether it is routine work or public health emergency incidents.