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NetWellness provides the highest quality health information and education services created and evaluated by faculty of our partner universities.
Saturday, November 21, 2009
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NetWellness provides the highest quality health information and education services created and evaluated by faculty of our partner universities.
Saturday, November 21, 2009
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HIV and AIDS |
How Does Transmission Of HIV Occur?04/12/2000 |
In the transmission of HIV, what has to occur?
HIV has to somehow come into contact with a special kind of white blood cell called a CD4 (or T4) lymphocyte. This cell has two different kinds of receptors on it`s surface; receptors are molecules that react specifically with other molecules, some of which are on the surface of the germ (in this case, HIV). Once the HIV has latched on to the CD4 receptor and the chemokine receptor, it gains entry to the cell. Then it essentially takes over the cell`s basic mechanisms and directs the cell to make HIV viruses, instead of what that cell is already programmed to do (like fight infections).
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Judith Feinberg, MD Professor of Medicine Division of Infectious Diseases Department of Internal Medicine College of Medicine University of Cincinnati |
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