Skip to Content
Home > Wellness > Health Library > HIV-2
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.
ByHealthwise StaffPrimary Medical ReviewerE. Gregory Thompson, MD - Internal MedicineSpecialist Medical ReviewerPeter Shalit, MD, PhD - Internal Medicine
Current as ofSeptember 9, 2014
Current as of:
September 9, 2014
E. Gregory Thompson, MD - Internal Medicine & Peter Shalit, MD, PhD - Internal Medicine
How this information was developed to help you make better health decisions.
To learn more, visit Healthwise.org
© 1995-2015 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.