can stats We looked at every confirmed COVID-19 case in Canada. Here's what we found CBC News analyzed data on all confirmed cases of COVID-19 collected by Public Health Agency of Canada

mutation Massive genetic study shows coronavirus mutating and potentially evolving amid rapid U.S. spread Scientists in Houston on Wednesday released a study of more than 5,000 genetic sequences of the coronavirus that reveals the virus’s continual accumulation of mutations, one of which may have made it more contagious. The new report, however, did not find that these mutations have made the virus deadlier or changed clinical outcomes. All viruses accumulate genetic mutations, and most are insignificant, scientists say.