[The impact of AIDS on the health care system]. / El impacto del SIDA sobre el sistema de atención a la salud.

Since the AIDS epidemic was first detected, it has had a profound influence on the organization of health services in the United States. In this essay, some of the more relevant aspects of this process are analyzed, and the main problems that need to be confronted in order to fight successfully against this serious disease are briefly stated.

[Future strategies for prevention of diseases]. / Estrategias a futuro para la prevención de enfermedades.

This paper discusses the future strategies for the prevention of disease. The author presents three basic ideas. The first is that in public health it is increasingly important to evaluate critically the costs and benefits of different preventive strategies. Second, it is highly desirable to use new advances in biology to create more effective, safer, and possibly less expensive preventives. Third, it is increasingly important to utilize modern means of communication to reach the public to promote change toward healthier behaviours.