1990年4月22～29日在马德里召开了第28届国际军事医学与药学会议,会上讨论了一些与军队预防医学有关的问题:(1)艾滋病病毒感染者在全世界已接近1000万,军队卫生工作者应尽最大努力去减轻部队中的发病,因此,必须使用大规模筛选以检出血清阳性病例; The 28th International Conference on Military Medical and Pharmaceutical Sciences was held in Madrid from 22 to 29 April 1990 and some of the issues related to preventive medicine in the military were discussed: (1) The number of people living with HIV in the world is close to 10 million, Army health workers should do their utmost to alleviate the incidence in the force and therefore large-scale screening must be used to detect seropositive cases;