As I mentioned, Mr. Chair, this is a combination of different metrics. There aren't any specific numbers that we could actually cite, because it depends upon the activity of the virus in the different communities as well as the different settings, and also the protection that is provided to the population from vaccinations and other public health measures, like masking, handwashing and others.
There is a multitude of combinations of factors that allow us to give that kind of public health advice.