TB Test Near Me - Find and book a nearby PPD test with Solv
May 06, 2022 · During the skin test, the TB test provider injects a small protein called PPD under the first layer of your skin. PPD comes from TB bacteria, and a reaction to PPD can indicate that you have had TB. After 48 to 72 hours, the TB test provider will have you return to the clinic so the injection site can be closely inspected to confirm or rule out a positive result.
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