Among adults, HIV is transmitted mainly by unprotected sex but also by unsterile hypodermic needles and transfusions of contaminated blood. Mother-child transmission can occur during pregnancy, birth, ...
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How Does HIV-2 Differ From HIV-1?
HIV-2 and HIV-1 are both types of human immunodeficiency virus (HIV). They are both transmitted the same way, but HIV-2 does not spread as easily and progresses to AIDS more slowly. Those with HIV-2 ...
Left: Structure of the Human Immunodeficiency Virus (HIV). Note the envelope protein that protects the virus against immunological detection and the small genome consisting of two short strands of RNA ...
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