A behind-the-scenes look at why Canada delayed 2nd doses of COVID-19 vaccines

Canada is the only country in the world delaying second doses of COVID-19 vaccines from three weeks after the first dose to four months, but critics say we are venturing into uncharted scientific waters that may lead to complications down the road. https://www.cbc.ca/news/health/canada-covid-19-vaccine-delay-risk-1.5939134?cmp=rss #news/health