Acquired Immune Deficiency Syndrome
Acquired Immune Deficiency Syndrome (AIDS) can be a result of two cy Virus types HIV-1 and HIV-2. A number of primate species carry similar viruses known as Simian Immunodeficiency Viruses, or SIV. Chimpanzees can carry a virus related to HIV-1, but sooty mangabeys, a type of monkey found in West Africa, can carry a virus similar to HIV-2. Humans are thought to have become infected with HIV-1 from sooty mangabeys. Baboons in Tanzania and patas monkeys in Senegal seem to have cross-infected each other's species with SIVs. A local species of green monkey carries a virus called SIVAGM, which is related to the SIVs that the baboons and patas monkeys seem to have contracted. However, the odd thing about these baboons and patas monkeys is that they are not usually infected with SIVs. A subtype of HIV-1, called subtype B, was initially found in North America and in Europe, but it is hardly ever found in sub-Saharan Africa. Next, HIV is usually transmitted through four different ways. The first mode of transmission is through sexual contact; this is either vaginally or anally. The second mode of transmission is through contact with infected blood, usually through a blood transfusion or through an open wound on the skin. The third mode
It is this development of AIDS that kills a patient. After HIV has entered the bloodstream, the virus particle travels throughout the body, but it only infects CD4+ T cells. Other drug therapies also fall under protease inhibitors, these are: Invirase, Norvir, Crixivan, Viracept, Viramune, and Rescriptor, which all can be combined with AZT. Of these, an estimated 12,240 children were living at the beginning of 1994; 25% were younger than 2 years, 35% were aged 2 to 4 years, and 39% were aged 5 years or older. The HIV virus finds, infects, and then kills CD4+ T cells, until they are all gone. Females made up nearly half (47%) of HIV cases among 13-to 24-year-olds reported from the 34 areas with confidential HIV reporting for adults and adolescents in 2000. The incidence of AIDS per 100,000 women was the highest in black women or 50. HIV positive people are able to transmit the virus to other people, even if the test results are negative. AIDS is growing in India mainly through prostitutes, who then spread it to the rest of the population. The other 5% are passed through contact with infected blood. Next, almost half of the people that die from AIDS in the United States are black, but African Americans only consist of 13% of the population. This decrease is due to the introduction and the widespread use of new anti-HIV drugs. " However, the use of AZT does not cure AIDS or HIV infection, but it does stop the HIV virus from reproducing.
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