Dr. Tony Holohan:

We have been talking about testing. One of the messages I wanted to give is that it is the testing in the context of all of the other arrangements that might exist at a point in time. I am not just talking about borders. Testing just does not sit on its own as a response to the control of the disease. It has to be part of a set of arrangements that exist, the purpose of which is to limit transmission and increase control. I might ask Dr. De Gascun to comment further on validation but, essentially, what we are trying to do is show how well the test is actually working in the setting in which we would seek to use it.