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The Human Immunodeficiency Virus Essay

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HIV, the Human Immunodeficiency Virus, is a virus which attacks the T-cells in the immune system of human. It results AIDS, acquired immunodeficiency syndrome, a syndrome that appears in advanced stages of HIV infection. The illness makes people more vulnerable to other infections and diseases because it alters the immune system of human. Researchers believe that HIV were transferred to humans from primates lived in Africa. The earliest known case of HIV in human was detected in 1959 in a sample of collected blood of a man in Democratic Republic of the Congo. Evidence has suggested that HIV spread from Africa. The virus can be found in body fluids of infected people. HIV can pass from the infected people to others through blood-to-blood, sexual contact, and from mother to her baby during pregnancy. HIV can enter cells by transmitted in many ways, such as blood transfusion, contaminated needles that have HIV, vaginal, oral sex, anal sex. HIV is known as retroviruses. Its genome is single stranded RNA that serves as a template to make DNA. As the virus is transmitted, it attaches to the host cell, then its genetic material enters host cell. HIV is a type of lysogenic viruses. As the viral genetic material is integrated into the host cell DNA, which means that the genetic material of the virus replaces a portion of the host cell DNA, it is replicated every time host cell divides. At some point, viral genes are activated and millions of new viruses are assembled. And then these viruses are released with the lyses of host cell.
Currently, there is no cure for HIV. However there are treatments for people who are living with HIV/AIDS. The treatments are usually the combination of medicines called "cocktails". It helps strengthen the i...


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...ted or not because If I had infected, I would get treatment onto antiretroviral drugs on time to prevent the transmittion of the virus to other people. According to McNeil Jr. getting antiretroviral drugs lowers by as much as 96 percent the chance of the infected person to transmit the virus to someone else. Testing for HIV and treatments of it has become important and crucial to prevention. Everyone must learn and take this test regularly since it is available for everyone with very cheap price.




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http://www.plannedparenthood.org/health-topics/stds-hiv-safer-sex/hiv-aids-4264.htm
LA Times article “Baby 'cured' of HIV: New details offer hope for other patients” by K. Kaplan
The New York Times article “Rapid H.I.V. Home Test Wins Federal Approval” by D. McNeil
Sadava, David. Life: the Science of Biology. Textbook. 9th edition. Pg 555-557.



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