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**selayeffethy** · 01-15-2012, 08:07 PM

You can get exposed to TB and not actually develop TB. That means the injection site of the test will turn red but you don't actually have TB.

No. It has to be red and raised after 48 hours to confirm exposure. The raised area also has to be a certain size.

ACK!

01-15-2012, 08:07 PM	#9
selayeffethy Join Date Oct 2005 Posts 473 Senior Member	You can get exposed to TB and not actually develop TB. That means the injection site of the test will turn red but you don't actually have TB. No. It has to be red and raised after 48 hours to confirm exposure. The raised area also has to be a certain size. ACK!
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