Tuberculin Test

  • Rui Zeng


Tuberculin test, also known as PPD test, is an intradermal test that diagnoses type IV hypersensitivity caused by tuberculosis bacillus infection by intradermal injection of tuberculin and according to the skin condition of the injection site. Mycobacterium tuberculin is the bacterium component of Mycobacterium tuberculosis, including pure protein derivatives (PPD) and old tuberculin (OT). This test has reference significance for the diagnosis of tuberculosis and the determination of nonspecific cellular immune function of organism.

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© Springer Nature Singapore Pte Ltd. and People's Medical Publishing House 2020

Authors and Affiliations

  • Rui Zeng
    • 1
  1. 1.Department of CardiologySichuan UniversityChengduChina

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