Vaccines not enough to stop fourth wave of COVID-19 in Canada, experts warn. Read complete story on <a href="https://www.ctvnews.ca/health/coronavirus/vaccines-not-enough-to-stop-fourth-wave-of-covid-19-in-canada-experts-warn-1.5560876" target="_blank" rel="noreferrer noopener">ctvnews.ca</a> https://www.youtube.com/watch?v=DsgKGbosqe0