Mr. Chair, as I mentioned earlier, these criteria are the main ones we use. Of course, we take into consideration the waste-water surveillance; of course, we take into consideration all the other factors that were mentioned. We are continuing to look at that in a global context.
There aren't any firm numbers, or anything that it can really be pinned on in terms of saying that this is the.... It depends on how much vaccination coverage there is, what our current public health measures are and what our hospital capacity is. All of them are taken together.
We do the modelling, which is presented, and we base it on that. We continue to put together all of those public health measures, which include vaccinations and recommending a third dose, as per the National Advisory Committee on Immunization advice.
Quite a few of those are continually in ascent.