Dr. Kalina on how to prevent illness during this flu season

Dr. Dale Kalina explains the cause of rising cases of viruses across the country and how to prevent contracting illnesses during flu season. Subscribe to CTV News to watch more videos: https://www.youtube.com/ctvnews Connect with CTV News: For live updates and latest headlines visit: http://www.ctvnews.ca/ For breaking news, fast, download the CTV News App: https://www.ctvnews.ca/app Must-watch stories and full programs at http://www.ctvnews.ca/video CTV News on TikTok: https://www.tiktok.com/discover/CTV-News CTV News on X (formerly Twitter): https://twitter.com/CTVNews CTV News on Reddit: https://www.reddit.com/user/CTVNEWS CTV News on LinkedIn: https://ca.linkedin.com/company/ctv-news --- CTV News is Canada's most-watched news organization both locally and nationally, and has a network of national, international, and local news operations.