What is stigma?

It has been defined as an undesirable, negative or discrediting attribute that an individual possesses, thus reducing that individual's status in the eyes of society. Stigma is a common negative human reaction to disease (leprosy, TB, STDs, etc.). HIV has been greatly associated with stigma due to the association with risky behaviors and so-called "high risk groups" which is further stigmatizing already marginalized groups.