Human being is a social animal. You can not live withoutsociety. Health is the feeling of physical, mental and spiritualwel-being Now you have two aspects of social health. On negativeaspect there is somebody ill in the society you live in. He can bea reservoir of the disease and is a threat to the society. So heneeds to be treated by society to maintain the health of society(for example, the case of Typhoid Mary). On positive side, you wantyour surrounding healthy, so that you should feel healthy. So theconcept of social health depends on positive social health in thedeveloped societies.