...past, that is probably because you came from a country with a high risk of TB. So your test would still be treated as positive. A follow...
3 Answers · Health · 27/06/2013
... it is positive, they can't make a diagnosis of latent TB until you get a chest x-ray done and rule out active TB.
1 Answers · Health · 19/07/2013
They inject a small amount of dead virus under the skin, and then 48-72 hrs later a nurse will check to see if there is a bump. A bump means you might have been exposed to TB at somepoint.
2 Answers · Health · 05/11/2010
... that at some point in your life you were exposed to the TB bacteria. It doesn't necessarily mean you've had or...
13 Answers · Health · 14/02/2008