A societal goal to which more and more people in the United States appear to be committed--at least officially--is the assurance of comprehensive health services for every person irrespective of income or geographic location. This paper offers one possible moral justification of the goal. It does so by attempting to apply various standard conceptions of social justice to considerations about health care and to reflect about the reasons why some of the conceptions seem more relevant than others. Several institutional implications (...) are also identified. (shrink)