Hiv Past and Present

Topics: HIV, AIDS, Immune system Pages: 5 (1824 words) Published: January 27, 2013
The virus HIV that affects the human immune system has become widely spreaded World Wild. According to the Center for Disease Control the United States area of residence date confidential named based HIV infection reported that 42,959 people developed the HIV infection since 2009. The CDC estimates 1.2 million people in the United States are living with HIV infection. One in five 20% of these people are unaware that they have the infection. The CDC estimates that 56,000 people in the United States develop the HIV infection in 2006. Therefore, HIV stands for Human Immunodeficiency Virus. This virus can lead to Acquired Immune Deficiency syndrome also called Aids. HIV damages a person’s body by destroying the blood cells that are called CD4 and T cells, which are crucial to helping the body to fight off diseases. Scientist identified a type of chimpanzee in West Africa as the source of the HIV infection in humans. The scientist believe that the virus called simian probably was transmitted to humans and mutated into HIV when humans hunted the chimpanzees for meat and came into contact with their infected blood. In 1986, a second type of HIV was found and was named HIV-2 it was isolated from AIDS patients in West Africa. People that have HIV-2 Immunodeficiency seem to develop more slowly and to be milder, and those with HIV-2 are comparatively less infectious early in the course of the infection. This particular infection is found in West Africa. The first case of this infection was diagnosed in the United States in 1987. Next, HIV is most commonly diagnosed by testing the blood or saliva for the presence of the antibodies to the virus. This type of test for the virus isn’t accurate immediately after being infected because it takes time for your body to develop these antibodies. Usually it can take up to 12 weeks in some cases; it can take six months for an HIV antibody test to become positive. A newer type of the test checks HIV antigen, a protein produced by the virus immediately after being infected. The test can confirm a diagnosis within days of the infection. An earlier diagnosis may prompt people to take several extra precautions to prevent the spread of the virus to other people. If treatment is received in the early stages it could be helpful. When diagnosis with HIV there are several types of test that can help the physician to determine what stages of the disease someone has. The test CD4 count, CD4 cells are the white blood cells that specifically targeted and destroyed by HIV. A health person’s CD4 count can vary from 500 to more than 1,000. Although, a person can have no symptoms, but the HIV infection can progress to to AIDS when his or her CD4 count becomes less than 200. The viral load test measures the amount of the virus in your blood. Studies have shown that people with higher viral loads generally become fair, instead of more poorly than those with a lower viral load. The drug resistance blood test determines whether the strain of HIV a person has will be resistance to certain anti-HIV medications and that may work better. Also, a history and physical exam will be performed .The HIV Elisa/ western blot test is used to detect antibodies to the HIV virus. If the test is negative and there are risk factors for HIV infection, the test should be repeated within three months. There are other tests that can be done to detect how much HIV is in your blood. A CD4 count blood test is done to determine how much your immune system has been damaged. On October 11, 2012 according to fox 5 news they stated Human Intonation Founder Verneda White commends Magic Johnson and the Oraquick In home HIV testing. The first and only rapid OTC HIV test approved in the United States. This test is sold in 30,000 retail stores nationwide. Oraquick detects the antibodies for both HIV-1 and HIV-2 with an oral swab, providing a confidential in home testing option with results in twenty minutes. However, some of the complications that...
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