Hiv Introduction

10077 Words May 2nd, 2012 41 Pages
HIV From Wikipedia, the free encyclopediaJump to: navigation, search "AIDS virus" redirects here. For the computer virus, see AIDS (computer virus). For the village, see Hiv (village). For the administrative subdivision, see Hiv Rural District.
HIV
Classification and external resources

Diagram of HIV
ICD-10 B20-B24
ICD-9 042-044
OMIM 609423
MedlinePlus 000602 eMedicine article/783434
MeSH D006678

Human immunodeficiency virus (HIV) is a lentivirus (a member of the retrovirus family) that causes acquired immunodeficiency syndrome (AIDS),[1][2] a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. Infection with HIV occurs by the transfer of
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Many species are infected by lentiviruses, which are characteristically responsible for long-duration illnesses with a long incubation period.[18] Lentiviruses are transmitted as single-stranded, positive-sense, enveloped RNA viruses. Upon entry into the target cell, the viral RNA genome is converted (reverse transcribed) into double-stranded DNA by a virally encoded reverse transcriptase that is transported along with the viral genome in the virus particle. The resulting viral DNA is then imported into the cell nucleus and integrated into the cellular DNA by a virally encoded integrase and host co-factors.[19] Once integrated,

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