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Unity Health, St. Michael's campus

COVID-19 Cohort Study (CCS): Study of the epidemiology of COVID-19 in healthcare workers and their households

Join a research study about COVID-19 in hospital workers

Status: Currently enrolling Click here to join Already a participant? Click here to log in

What is being studied?
    • The number of COVID-19 infections and factors linked with infection
    • Antibodies against COVID
    • Effect of COVID-19 vaccines
    • Psychological impact of working during a pandemic

We are looking for…
Staff working at St. Michael’s Hospital who…
    • Are 18-75 years of age
    • Work anywhere in the hospital for more than 20 hours per week
    OR are MDs/NPs/midwives with privileges and spends at least 8 hours per week in the hospital
    • Have access to a computer/ phone with internet access, and
    • Plan to be available for at least the next 3 months

What is required?
    • Questionnaires when you join and then every week (online)
    • Report when you are tested for COVID-19 and submit a swab to the study the same day
    • Report when you are vaccinated against COVID-19
    • Blood samples: you have the choice of not collecting none, only one, or several samples (optional)
            ▪ when you join, in 6 months, and at the end of the study;
            ▪ if you test positive for COVID-19: 30 days (or every 30 days) after your positive test; and/or
            ▪ If you are vaccinated against COVID-19: prior to receiving each dose and again 28 days after the final dose
    • Invite adults and children in your home to join (optional)

Participation is voluntary
A small monetary gift is available for participating

People are welcome to join whether or not they have been vaccinated against COVID-19

If you have questions, please email COVID.study@sinaihealth.ca or call (416) 294-6383 between 8:00 AM and 6:00 PM weekdays

St. Michael’s Investigator: Dr. Matthew Muller


Click here to join Already a participant? Click here to log in

Information Sheet and Consent Form