Also that those tests are actually testing the same thing, which is tricky with your "two different mechanisms" requirement a lot of the time. My field is curre

Also that those tests are actually testing the same thing, which is tricky with your "two different mechanisms" requirement a lot of the time. My field is currently struggling to get a handle of what one should do in a particular circumstance when one test is negative and the other positive (for those interested, PCR + and toxin assay - for C. difficile).