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Sherbrooke

Canadian COVID-19 Cohort Study (CCCS): Study of the epidemiology of COVID-19 in Canadian healthcare workers

Status: active French site Already a participant? Click here to log in

What is being studied?

  • The rate of COVID-19 infection
  • Risk factors for infection (occupational and community)
  • Antibody levels over time
  • Uptake of vaccines against COVID-19
  • Psychological impact of working during a pandemic


What is required?

  • Questionnaires:
    • when you join
    • every 2nd week
    • when you are tested for COVID-19 --or-- have symptoms that might be COVID
    • when you are vaccinated against COVID
  • Dried blood spot samples
    • when you join
    • 30 days after you are vaccinated --or-- test positive for COVID-19
    • about every 180 days after that

Who can participate?
Staff working at the Centre intégré universitaire de santé et de services sociaux de l’Estrie – Centre hospitalier universitaire de Sherbrooke(CIUSSS de l’Estrie – CHUS)

  • Who are 18-75 years of age
  • Who work anywhere in the institution for at least 20 hours per week OR is a physician, nurse, or midwife who cares for patients 8 hours or more per week
  • Who have access to a computer or phone with internet access, and
  • Who plan to be available at least for the next 3 months


Participation is voluntary
Participants will be provided with a small token of appreciation for taking part in the study

Site Investigator: Dr. Louis Valiquette

If you have questions, please email [email protected] or call 1-819-346-1110 (12807)

Already a participant? Click here to log in

Information Sheet and Consent Form