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HIV and AIDS: causes, symptoms, treatments and future prospects
Everything you need to know about HIV and AIDS including common symptoms and where to get tested.
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HIV (human immunodeficiency virus) is a virus that attacks the body's immune system and is most commonly caught by having unprotected sex, sharing injection needles, infected blood products or in extremely rare cases the infection of a baby by its mother.
There are still a huge number of misconceptions around HIV and AIDS, so Dr Roger Henderson sets the facts straight: