 Many societies, and nearly all wealthy, developed countries, provide universal access to a broad range of public health and personal medical services. Is such access to health care a requirement of social justice, or is it simply a matter of social policy that some countries adopt and others do not? If it is a requirement of social justice, we should be clear about what kinds of care we owe people and how we determine what care is owed if we cannot possibly meet every health need, as arguably no society can. We should be clear about what constitutes appropriate access to that care, given that there are diverse barriers to access. We must also be able to say why we owe these things as a matter of justice, and, of course, different accounts of social justice will bake and serve this cake in different ways.