If you don't know if you are immune, the risk of the vaccine is tiny, less than if you were to get the flu.
On November 18th, 2009. See this statement in context.
On November 18th, 2009. See this statement in context.
November 18th, 2009 / 5:05 p.m.
Chief Public Health Officer, Public Health Agency of Canada
If you don't know if you are immune, the risk of the vaccine is tiny, less than if you were to get the flu.
See context to find out what was said next.