HIV (overview)

http://www.youtube.com/watch?v=NX3n8SShfwsHIV is a virus that can cause infections which lead to AIDS (at which point the body’s immune system ceases to function). In the UK, an estimated 63,000 people have HIV and a third may be unaware of the problem.

In this video, an expert explains how the virus is passed on, the high risk groups, and how HIV affects the body’s immune system.

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