The skin TB test involves injecting a small amount of tuberculin (PPD) under the skin on the forearm and checking for a reaction (swelling) after 48-72 hours. A positive result indicates a ...

While some detainees tested positive for TB with a skin test, further testing ... One of the ways medical providers do that is with a chest x-ray, where providers look for signs of TB disease ...

The vaccine can cause a false positive TB skin test reaction. Source: Centers for Disease Control Reach Tammy Ayer at [email protected]. Local journalism is essential. Give directly to The ...