The central foundation of the NACI advice is the high effectiveness and safety of that first vaccine dose. That is absolutely what they base the recommendations on.
Not only that—
On March 12th, 2021. See this statement in context.
Chief Public Health Officer, Public Health Agency of Canada
The central foundation of the NACI advice is the high effectiveness and safety of that first vaccine dose. That is absolutely what they base the recommendations on.
Not only that—
See context to find out what was said next.