The key metric that will tell us if Canada is headed for a U.S.-style COVID-19 crisis

As Canada reopens, is it headed for a U.S.-style crisis? One official says she lost sleep over reopening bars. We weigh the evidence so far, including a key statistic that, according to public-health experts, is the metric to watch. https://www.cbc.ca/news/health/coronavirus-canada-bars-reopening-1.5652671?cmp=rss #news/health