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What type of hypersensitivity reaction is the tuberculin response?

colleen

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12 years ago

What type of hypersensitivity reaction is the tuberculin response?

What type of hypersensitivity reaction is the tuberculin response?

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lewis

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12 years ago

The tuberculin response is a type of delayed hypersensitivity reaction. It is used to diagnose contact with antigens from Mycobacterium tuberculosis. When tuberculin is injected into the skin of an individual who has never contracted tuberculosis and has never received the tuberculosis vaccine, no response occurs. If the patient has been exposed to tuberculin antigen by infection or prior vaccination, a red swelling develops at the site of injection. This reaction is considered a positive tuberculin response.

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