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How often do you get a PPD test?

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Minimum state regulations require TB screening every 4 years. School staff may request TB testing more frequently from their health care provider, but school districts are not required to provide it more than every 4 years. read more

If I recall correctly, every place I've ever worked that required TB testing did it annually. My current volunteer job also requires annual testing and if you're even a little late on the testing, you have to do the 2-step test instead of the normal 1-step. read more

Tuberculosis, or TB, testing is not often needed for those with low risk of becoming infected. The skin test screens for the illness; it provides no immunity. If part of a higher risk category, then test for TB annually, according to the National Center for Biotechnology Information. read more

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