Canada's Chief Public Health Officer Dr. Theresa Tam says the general population will need another vaccine shot, but not until at least early next year.
Subscribe to CTV News to watch more videos:
Connect with CTV News:
For the latest news visit:
For a full video offering visit the CTV News Network:
CTV News on Facebook:
CTV News on Twitter:
Watch CTV News on Twitter:
CTV News on Google+:
CTV News on Instagram:
CTV News on Pinterest:
CTV News is Canada's most-watched news organization both locally and nationally, and has a network of national, international, and local news operations.