Delayed-type hypersensitivity skin tests are used to screen for:

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Delayed-type hypersensitivity skin tests, also known as tuberculin skin tests, are used to screen for cell-mediated immunodeficiencies such as tuberculosis or other mycobacterial infections. The test evaluates the individual's reaction to an antigen (e.g., tuberculin purified protein derivative) injected into their skin. The presence of a delayed-type hypersensitivity reaction indicates that the individual has a functioning cell-mediated immune response.

Delayed-Type Hypersensitivity Skin Tests Are Used to Screen For