Perhaps we should consider whether a medical exam at the start of the process is a good way to proceed in some situations. The validity of the medical exam is a way to protect the security of Canadians. It is tied to the fact that tuberculosis is endemic in a number of countries. I don't know whether extending the period of validity of the medical exam is a good solution. However, perhaps we could consider this.
On March 30th, 2010. See this statement in context.