The vast majority of people who develop canker sores do not have another problem as the cause. 1  Both hereditary and environmental causes of the disease have been suggested, but the exact cause is not clear. 2  A number of factors have been suggested to precipitate outbreaks in susceptible individuals. 3  Oral trauma.
The most common names for HIV/AIDS refers to the wasting (cachexia) which typically occurs in the latter stages of the disease. This is often referred to as the â thins â or â slimâs disease â, a term very often used in Africa in the native tongue. CD4 count usually refers to the CD4 T-cell count which is an indication of the progression of the infection. 2  HIV targets these T-lymphoctyes and over time, the CD4 cell population drops.
In 1983, scientists discovered the virus that causes AIDS. The virus was at first named HTLV-III/LAV (human T-cell lymphotropic virus-type III/lymphadenopathy-associated virus) by an international scientific committee. This name was later changed to HIV (human immunodeficiency virus).