Final answer:
AIDS (Acquired Immune Deficiency Syndrome) is an infectious disease caused by HIV that weakens the immune system, leading to a collection of symptoms and opportunistic infections.
Explanation:
AIDS (Acquired Immune Deficiency Syndrome) is an infectious disease caused by HIV, which gradually weakens the body's immune system. It is transmitted through the exchange of bodily fluids, such as blood and semen, primarily through sexual contact.
It is crucial to understand that AIDS is not a single disease but a collection of symptoms and illnesses that result from the severe damage to the immune system by HIV. The condition is diagnosed when the number of helper T cells in the body drops significantly, and the individual develops various opportunistic infections due to the weakened immune system.
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