The following points highlight four important ways by which HIV devastates the immune system. The ways are: 1. Direct killing 2. Apoptosis 3. Destruction of un-infected cells 4. Destruction of immune precursor cells. Way # 1. Direct killing: When a large number of viruses is produced and buds out from the surface of CD4+ T cell surface, the cell membrane [...]
HIV infection can be divided into following different stages:- 1. Acute Primary Infection 2. The Immune System Strikes Back 3. Clinical Latency 4. Clinical Latency. Stage # 1. Acute Primary Infection: Once HIV enters the body, the virus infects a large number of CD4+ T cells and replicates rapidly. During this acute phase of infection, the blood has a high [...]
Everything you need to know about human immunodeficiency virus and aids. Some of the frequently asked questions are as follows:- Q.1. How and when was HIV discovered? Ans:.By 1992, two cancer research laboratories were involved in research to find out the cause of a new disease, later called Acquired Immune Deficiency Syndrome (AIDS). In 1993, research teams headed by Luc [...]