CADTH is committed to supporting Canada’s health care decision-makers through this challenging and uncertain time.
For evidence, tools, and resources related to COVID-19, visit our COVID-19 Evidence Portal.


Begin main content

COVID-19 Update

Last updated: March 15, 2021
Product Line: New at CADTH
Result type: Report

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.


Convalescent Plasma Therapy for the Treatment of COVID-19: A Review of Clinical Effectiveness

  • Convalescent plasma (CP) therapy is an intervention whereby plasma is collected from recovered COVID-19 patients in the hope that the disease-specific antibodies could help the recipient recover from COVID-19.
  • Evidence on the effectiveness of CP therapy for the treatment of COVID-19 is still in the early stages.
  • This report (updated on March 8, 2021) summarizes the current evidence and it is updated regularly as a living review.

Ongoing Trials for Drugs in the Prevention and Treatment of COVID-19

  • This report (last updated on March 5, 2021) provides information on ongoing randomized controlled trials of drugs being investigated to treat or prevent COVID-19.
  • Ongoing trials of vaccines and plasma-based therapies are addressed in separate CADTH reports.

COVID-19 News

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

  • WHO Solidarity Study: Remdesivir
    CADTH assessed 5 randomized controlled trials, including the interim study results from the WHO Solidarity trial, in a health technology review on remdesivir.

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.