Let me put my question another way.
In order for a vaccine to be effective, what percentage of the population must be immunized?
On October 25th, 2006. See this statement in context.
October 25th, 2006 / 9:50 a.m.
Conservative
Luc Harvey Conservative Louis-Hébert, QC
Let me put my question another way.
In order for a vaccine to be effective, what percentage of the population must be immunized?
See context to find out what was said next.