British Columbia’s decision to extend to four months the interval between first and second doses of three different vaccines amounts to a “population level experiment,” said Mona Nemer, Canada’s chief science adviser.
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This story was published on CBC News. For the rest of the story please read the story right here https://www.cbc.ca/news/politics/nemer-henry-vaccine-interval-experiment-1.5932714?cmp=rss.