The following is my translation only;
Theoretically three possibilities of monitoring exist: testing alone with Mantoux skin test, testing with IGRA alone and the combination of skin test with IGRA. In the latter case an IGRA is performed only when a prior skin test has a positive result. The monitoring with repetitive skin tests alone contains many disadvantages, one being the booster effect on the skin test and the IGRA, reduced practicability in the implementation and the necessity for the confirmation of a positive test result with a IGRA before a therapy. Therefore this publication no longer describes the concept. Due to the newest study results some foreign institutions, like the German professional association for health service and welfare care (BGW), recommend the monitoring of the exposed personnel with IGRA testing only.
