CD4 and post-traumatic stress disorder: There is a relationship between trauma symptoms, as seems in PTSD (avoidance of memories of the traumatic event, recurring flashbacks, hyperarousal) and experiencing various medical conditions (23, 24) like positive HIV (25) that Trauma symptoms in patients with HIV are usually linked to deterioration in immune function through reducing CD4 cell counts and increasing the level of physical HIV symptoms (26) and poor medication adherence (27).