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COVID-19 studies for hospital and healthcare staff (CCS & CCCS)

A COVID-19 research study is looking to recruit staff from hospitals across Canada.

Status: Currently enrolling Study Results

The COVID-19 Cohort Study (CCS) and the Canadian CCS (CCCS) follow staff throughout the pandemic to find out the rate of COVID-19 infection, antibody levels over time, the impact of vaccines against COVID-19, and the psychological impact of working during a pandemic.

We are looking for NEW participants.

If you work with one of the hospitals listed below or their affiliated care centres, click on the site's name to learn more about participating.


  Participating sites Investigators
Toronto  & area Oak Valley Health Dr. Jeya Nadarajah
Michael Garron Dr. Jeff Powis & Dr. Chris Kandel
North York General Dr. Kevin Katz
Private MD, NP, or midwifery clinics/practices in the GTA Dr. Brenda Coleman
Sinai Health Dr. Allison McGeer & Dr. Brenda Coleman
Sunnybrook Health Sciences Centre Dr. Samira Mubareka
Unity Health (St. Michael’s site) Dr. Matthew Muller
University Health Network Dr. Allison McGeer
William Osler Health System Dr. Saranya Arnoldo
Hamilton Hamilton Health Sciences Dr. Mark Loeb
St. Joseph’s Healthcare Hamilton Dr. Marek Smieja
Ottawa Ottawa Dr. Curtis Cooper
Calgary Calgary Health Zone Dr. Robyn Harrison
Edmonton Grey Nuns Community Hospital (Edmonton) Dr. Robyn Harrison
University of Alberta Hospital Dr. Robyn Harrison
Royal Alexandra Hospital Dr. Robyn Harrison
Nova Scotia
  IWK Health Dr. Joanne Langley
Nova Scotia Health Dr. Shelly McNeil
  Sherbrooke Dr. Louis Valiquette