HIV/AIDS Glossary

AIDS Case Definition

Diagnostic criteria for AIDS established by the Centers for Disease Control and Prevention (CDC). To be diagnosed with AIDS, a person with HIV must have an AIDS-defining condition or have a CD4 count less than 200 cells/mm³ (regardless of whether the person has an AIDS-defining condition).

Related Term(s): Acquired Immunodeficiency Syndrome, AIDS-Defining Condition, CD4 Count, Human Immunodeficiency Virus


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Conditions that lead to an AIDS diagnosis

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