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Explore the science of HIV.
First noticed amongst gay men in California and New York, now threatening to wipe a generation from many nations in Africa. What is AIDS?
HIV was identified as the virus which lead to AIDS - but that was the beginning of the story. Is HIV just like any other virus? What is HIV?
Some viruses are more deadly than others - what does HIV do?
If we know so much about HIV already, why is a cure so difficult to find?
It appears to have come from nowhere - it may have first jumped into the human species as early 1930s; HIV is similar to a virus found in simians - explore the origins.
Content last updated: 07/08/2006