Origin Of Aids Hiv Diagram. The graph shows the course of hiv infection and how the viral load and cd4 count interact. 111 hiv 1 genome structure.
If hiv is not treated it can lead to aids acquired immunodeficiency syndrome. The infection causes progressive destruction of the cell mediated immune cmi system primarily by. Hiv 1 evolved from non human primate immunodeficiency viruses from central african chimpanzees sivcpz and hiv 2 from west african sooty mangabeys sivsm 234.
This is a term used to describe hiv disease when certain specified conditions are present or the cd4 count has fallen to below 200 cellsmm 3.
Origins of hiv and the aids pandemic paul m. Hahn2 1institute of evolutionary biologyand centre for immunity infection and evolution university of edinburgh edinburgh eh9 3jt united kingdom 2departments of medicine perelman school of medicine university of pennsylvania philadelphia pennsylvania 19104 correspondence. The viruss spherical bilipid membrane yellow is studded with 72 glycoproteins green made from the proteins gp 120 and gp 41. Aids acquired immune deficiency syndrome.