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University Health Network

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 UHN (TGH, TWH, PMCC, TRI) 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
    • every 2nd week
    • when you are tested for COVID-19 --or-- have symptoms that might be COVID
    • when you are vaccinated against COVID
  • Blood samples:
    • when you join
    • 30 days after you are vaccinated --or-- test positive for COVID-19
    • about every 180 days after that
  • Optional:
    • invite adults & children in your home to join

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 [email protected] or call (416) 294-6383 between 9:00 AM and 5:00 PM business days

UHN Investigator: Dr. Allison McGeer

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

Information Sheet and Consent Form