aids is hard to catch?
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It's true that HIV is a virus, like a cold or the flu -- but it doesn't spread the same way. In fact, it's a lot harder to catch. You can only get it when certain fluids from someone who's infected get into your body.
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Even without treatment, it takes a long time for HIV to progress to AIDS—usually 10 to 12 years. When HIV is diagnosed before it becomes AIDS, medicines can slow or stop the damage to the immune system.
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In AID the immune system needs to be suppressed since it is attacking the body, while in AIDS the immune system (because of HIV) has been too compromised and weakened to defend itself against infections.
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HIV is a virus. It may cause AIDS after you've been infected for several years and it's weakened your immune system. Not everyone who has HIV will get AIDS. But the infection will advance to AIDS, usually in 10 to 15 years, if you don't get treatment with antiretroviral drugs.
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Acquired immunodeficiency syndrome or Acquired immune deficiency syndrome (AIDS) is a disease caused by a virus called HIV. Acquired means that people are not born with the disease. They get it after being infected with the HIV virus. Immune or Immuno- talks about the immune system.
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“These are incredibly accurate compared to our old diagnostic techniques.” Data from the CDC suggest that for both STIs, a false positive is incredibly rare (99 percent of the time tests that come back negative are accurate). And if you do have the STI, it'll pick it up more than 90 percent of the time.
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For health care workers on the job, the main risk of HIV transmission is from being stuck with an HIV-contaminated needle or other sharp object. However, even this risk is small. Scientists estimate that the risk of HIV infection from being stuck with a needle used on a person with HIV is less than 1%.
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In addition, in sub-Saharan Africa AIDS is the leading killer and a large reason for the high transmission rates is because of the lack of education provided to youth. When infected, most children die within one year because of the lack of treatment.
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When a person is not infected with HIV but receives a positive test result, that result is considered a false positive. Generally, HIV tests have high specificity, meaning that there are few false-positive results and most uninfected individuals are classified as uninfected by the test.
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This continual assault on the immune system makes it weaker and weaker until it is no longer able to fight off infections. Without treatment, it takes about 10 years from infection to the development of Aids - acquired immune deficiency syndrome.
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HIV infection is caused by the human immunodeficiency virus. You can get HIV from contact with infected blood, semen, or vaginal fluids. Most people get the virus by having unprotected sex with someone who has HIV. Another common way of getting it is by sharing drug needles with someone who is infected with HIV.
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Who Is at Risk for Opportunistic Infections? People living with HIV are at greatest risk for OIs when their CD4 count falls below 200. However, some OIs can occur when a person's CD4 count is below 500. That's because weakened immune system makes it harder for the body to fight off HIV-related OIs.
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After becoming infected with HIV, people could expect to get AIDS within about 10 years, and then live only 1 to 2 years more.
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There will still be rare cases where someone is HIV positive and not picked up. However, HIV tests are one of the more accurate tests for any medical infection. Tests showing a negative result are 'interpreted' as negative. If the result is negative three months after exposure your result is interpreted as negative.
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Fast Facts. Approximately 1.2 million people in the U.S. are living with HIV today. About 14 percent of them (1 in 7) don't know it and need testing. HIV continues to have a disproportionate impact on certain populations, particularly racial and ethnic minorities and gay and bisexual men.
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A small proportion of humans show partial or apparently complete inborn resistance to HIV, the virus that causes AIDS. The main mechanism is a mutation of the gene encoding CCR5, which acts as a co-receptor for HIV. It is estimated that the proportion of people with some form of resistance to HIV is under 10%.
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Without treatment, it takes about 10 years from infection to the development of Aids - acquired immune deficiency syndrome. It is then that "opportunistic infections", ones a healthy immune system could fight off, become deadly.