The HIV/AIDS pandemic is one of the greatest humanitarian crises of all times. It has caused death and misery, destroyed families and communities and ravaged entire populations. Africa's experience shows that HIV/AIDS, in a single
stroke, can destroy development gains of several decades as well as the social fabric of the community A similar tragedy is unfolding in other parts of the world. Spreading along migration routes related to globalization, poverty, war and conflict, HIV/AIDS is now associated with the resurgence of other communicable diseases of poverty such as tuberculosis.