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HIV: Nonprogressors and HIV-Resistant People - Topic Overview

A few people with HIV are described as nonprogressors. These people have HIV that does not progress to more severe symptoms or disease, but they can still spread HIV. Most nonprogressors:

  • Have lived with the infection for 10 to 15 years and remained healthy.
  • Do not have declining CD4+ cell counts.
  • Have a very low level of HIV in their blood.

A small number of people never become infected with HIV despite years of exposure to the virus. For example, they may have repeated, unprotected sex with an infected person. These people are said to be HIV-resistant. These people are never infected, so they can't spread HIV.

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The Top 10 Myths and Misconceptions About HIV and AIDS

For nearly 30 years, HIV (human immunodeficiency virus) and AIDS (acquired immunodeficiency syndrome) have been shrouded in myths and misconceptions. In some cases, these mistaken ideas have prompted the very behaviors that cause more people to become HIV-positive. Although unanswered questions about HIV remain, researchers have learned a great deal. Here are the top ten myths about HIV, along with the facts to dispute them.

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Studies are under way to determine why some people either don't become infected with HIV or, if they do, why they don't develop symptoms or lose CD4+ cells. Research has shown that:

  • Some people's CD4+ cells are relatively resistant to HIV. If HIV cannot attach itself to CD4+ cells, it cannot destroy them.
  • Some people's immune systems may be better able to destroy the virus.
  • Some strains of HIV may not be as harmful.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: April 05, 2012
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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