Thank you very much for the questions.
The Public Health Agency recognizes, as I said in my speech, that there are limitations to the current available testing in Canada. Certainly in the early stages of Lyme disease, the tests currently do not necessarily return a positive result.
I think what's very important in the lessons we've learned from other complex diseases such as HIV and others is that often a two-step test, where we initially screen a larger sample size and then continue with a secondary test to do a confirmatory diagnosis, has really been found to be the best way to try to get the best diagnosis and result.
So that's why the concept of the two-step is something that we—