There are a couple of points there. Number one, most of the vaccines we're talking about require two doses. As mentioned, none of these vaccines is yet approved for use, so it's not certain that they will come to fruition, but Canada does have the option to donate doses to other countries if that is of interest. Again, that is a question more appropriate for Global Affairs and Health Canada.
On November 16th, 2020. See this statement in context.