March 2009
Comparing Hiv 1 And Hiv 2
The relatively uncommon HIV2 is concentrated in West Africa and is rarely found anywhere else. If we talk of similarities they are as follows- Both the viruses are transmitted in a similar manner. They are transmitted by sexual contact, through body fluids such as blood, tears and vaginal fluids. It is also transmitted through breast milk from a mother to the child. Within three to six months both HIV-1 and HIV-2 cause the body to produce antibodies. When we talk about Differences they are as follows- The persons who are infected with HIV2 develop immunodeficiency or a weak immune system more slowly and it is also milder. People who are infected with HIV2 virus are less infectious in the early stages than those infected with HIV1. It has been said that HIV-2 is less easily transmitted. The period between the initial infection and illness is longer in case of HIV-2 As the virus progresses the infection of HIV2 increases. Compared to HIV-1 mostly it is the HIV-2 that seems to be more infectious later in the course of the disease. Mostly the cases of HIV-2 are reported in West Africa whereas the cases of HIV-1 are found worldwide. It has been found out that more than 90 of...