What causes AIDS?
AIDS is caused by HIV.
HIV is a virus that gradually attacks immune system cells. As HIV progressively damages these cells, the body becomes more vulnerable to infections, which it will have difficulty in fighting off. It is at the point of very advanced HIV infection that a person is said to have AIDS. If left untreated, it can take around ten years before HIV has damaged the immune system enough for AIDS to develop.
HIV is a virus that gradually attacks immune system cells. As HIV progressively damages these cells, the body becomes more vulnerable to infections, which it will have difficulty in fighting off. It is at the point of very advanced HIV infection that a person is said to have AIDS. If left untreated, it can take around ten years before HIV has damaged the immune system enough for AIDS to develop.
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