COVID-19 Update

( Last Updated : June 21, 2021)
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CADTH is committed to supporting Canada’s health care decision-makers through this challenging and uncertain time.

Our COVID-19 Evidence Portal contains the latest COVID-19 information from CADTH and other respected organizations. Content is updated daily to reflect the rapidly changing and increasing international scientific evidence related to this disease.

The following is a summary of the most recent information posted to our COVID-19 portal.


CADTH COVID-19 Webinar: An Update on COVID-19 Vaccines
Date: Tuesday, July 6, 2021
Time: 12:00 p.m. to 1:00 p.m. EDT

Register to attend this no-cost event.

  • Join our panel of experts for a discussion about COVID-19 vaccines.
  • Moderated by CADTH’s Heather Logan, the panel will be addressing important questions about how well current vaccines are protecting against the COVID variants, whether herd immunity is achievable, and if vaccines are the answer to the pandemic.
  • Guest speakers include Kaili Levesque (Health Canada COVID-19 Task Force), Dr. Dion Neame (Sanofi), and Dr. Alexander Wong (University of Saskatchewan).

COVID-19 News

Visit our COVID-19 news page to stay on top of all the emerging information we are monitoring and updating.

CADTH Literature Searching Tools

To help conduct your COVID-19–related literature searches, see our COVID-19 Search Strings and our COVID-19 Grey Literature Resources.

Additional Resources

CADTH is pleased to showcase additional COVID-19 resources from our partner organizations and the Canadian federal, provincial, and territorial governments’ health jurisdictions:


Canadian ministries and departments of health, publicly funded organizations responsible for health service delivery, and clinical society stakeholders are encouraged to submit a request or contact their CADTH Liaison Officer. We’re here to help.

The CADTH Weekly COVID-19 Update is intended to keep you informed about the latest information posted on the CADTH COVID-19 portal.