我国是乙肝高发国,其总感染率高达60%左右[1],爱滋病的流行也已经进入了快速增长期[2]。近年来,结核病也有了卷土重来的势头。由于环境的污染日益严重,人口的密集性,各种呼吸道传染病也有了反季节流行的趋势,感染科护理人员由于工作的特殊性,每日与肝炎、爱滋病、结核病人的血液、 China is a high incidence of hepatitis B virus, the total infection rate as high as 60% [1], the AIDS epidemic has also entered a period of rapid growth [2]. In recent years, tuberculosis has also gained momentum. Due to the increasingly serious pollution of the environment and population density, various respiratory infectious diseases also have the trend of anti-seasonal epidemic. Because of the particularity of the work of infection nurses, daily and hepatitis, AIDS, tuberculosis patients’ blood,