False Negative Result
Those who are immunologically compromised, especially those with HIV and low CD4 T cell counts, frequently show negative results from the PPD test. Steroid use, malnutrition and sarcoidosis can also lead to false-negative results, because the immune system needs to be functional to mount a response to the protein derivative injected under the skin.
Read more about this topic: Mantoux Test
Famous quotes containing the words false, negative and/or result:
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—Bible: New Testament, Luke 6:24-26.
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—Aldous Huxley (1894–1963)