Ontario's chief medical officer of health Dr. Kieran Moore says residents need remain vigilant against the new subvariant of COVID-19 circulating.

Subscribe to CTV News to watch more videos: https://www.youtube.com/ctvnews

Connect with CTV News:
For the latest news visit: http://www.ctvnews.ca/
For a full video offering visit the CTV News Network: http://www.ctvnews.ca/video

CTV News on Facebook: https://www.facebook.com/CTVNews
CTV News on TikTok: https://www.tiktok.com/discover/CTV-News
CTV News on Twitter: https://twitter.com/CTVNews
CTV News on Instagram: https://instagram.com/ctvnews/
CTV News on Reddit: https://www.reddit.com/user/CTVNEWS


---
CTV News is Canada's most-watched news organization both locally and nationally, and has a network of national, international, and local news operations.