[rtp]

Yeah, in its initial study, the nanoneedle had a 100% specificity and selectivity, and according to Ron Davis - main author - the results have held up as they've increased the number of tested people. That said it might also give a positive result for other illnesses. Hopefully a follow-up will be published soon.

[dm319]

Be wary of anything that claims a 100% sensitivity and specificity. It usually indicates the wrong gold standard or poor methods.