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What Are the AIDS Defining Illnesses?


Updated June 16, 2014

Question: What Are the AIDS Defining Illnesses?
AIDS is a classification assigned to someone who has been diagnosed with the most serious opportunistic infections and illnesses; those illnesses said to be AIDS defining. Below is a list of AIDS defining illnesses.

Important Fact #1: Keep in mind that these diseases can occur in people without HIV infection, however such a person would not be classified as having AIDS.

Important Fact #2: While they are often used interchangeably, HIV and AIDS are very different.

Answer: They include:

Sources: Information provided in part by the Centers for Disease Control, 2004

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