Enter the fully qualified name of the server host that was supplied by the SAP administrator (for example, sapsrv.na.sas.com) in the Application Server Host field. Enter the system number that was supplied by the SAP administrator (for example, 12) in the System Number field. The default access mode is direct access.
Confidence votes 76. tb testing is to determine if you have been exposed to the tb virus. The shot would be the vaccination for it. 1 person found this useful.
The two-step test is NOT the usual PPD skin test in which you receive an injection of PPD. and the test area is observed one time at specific time frame. The two-step PPD test is used to detect individuals with past TB infection who now have. diminished skin test reactivity. This procedure reduces the likelihood that a boosted. reaction is later interpreted as a new infection.