Health
How many COVID-19 vaccine doses could make the difference between a fourth wave in Canada and no wave at all? New models offer four scenarios – The Globe and Mail
Vaccinating at least 90 per cent of eligible Canadians against COVID-19 could tip the balance against new, more infectious variants much better than the 75-per-cent…

Femia Gabiana, a licensed practical nurse at B.C.’s Fraser Health region, administers a first dose of Pfizer vaccine at a walk-in vaccination clinic at Bear Creek Park in Surrey, B.C.
Darryl Dyck/The Canadian Press
The difference between a fall in which COVID-19 is in retreat and one where it surges back in a fourth deadly wave may come down to whether Canada can achieve a B or an A+ with its vaccination effort.
That is the upshot of a new analysis conducted for The Globe and Mail that demonstrates…
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