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HIV-1 is the virus that causes almost all the cases of AIDS
worldwide. A related virus, HIV-2, was first isolated in people in West Africa
in 1986. Some people who are infected with HIV-2 appear to have an AIDS-like
illness, but most do not have symptoms.
You should be tested for
HIV-2 infection if you:
Because HIV-2 is transmitted in the same ways as HIV-1,
people who have HIV-2 should follow the same precautions as people who have
HIV-1. It is possible to be infected with both HIV-1 and HIV-2.
Since 1992, blood and organs donated in the United States have been screened
for HIV-2, so the risk of developing HIV-2 infection from a blood transfusion
or organ transplant is extremely low.
April 5, 2012
E. Gregory Thompson, MD - Internal Medicine & Peter Shalit, MD, PhD - Internal Medicine
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