The COVID-19 Cohort Study (CCS) is recruiting participants from the Greater Toronto Area (GTA) for a research study.

Study Information

Study title: COVID-19 Cohort Study (CCS): Study of the epidemiology of COVID-19 in healthcare workers and their households (REB #20-0080-E approved by the Sinai Health System REB)

Study investigators: Drs. Allison McGeer & Brenda Coleman (Sinai Health System), & Dawn Bowdish (McMaster University)

Why are we doing it?

  • ​To identify workplace, community, and other risk factors for infection
  • To identify microbiome & early immune responses that may protect us
  • To estimate the incidence of infection among people working in healthcare
  • To find out if viral load is associated with severity of symptoms
  • To determine immune responses over time
  • To describe the psychological impact of working during a pandemic

Who can participate?

Physicians, nurse practitioners, midwives, physicians’ assistants, nurses, receptionists, or other healthcare workers working in private medical practices/clinics or hospitals who:

  • ​Are 18-75 years of age
  • Work in the GTA (greater Toronto area)
  • Have convenient access to computer or phone with internet access
  • Plan to be available for at least the next 3 months

What is required?

  • ​Questionnaires when you join and then every week (online)
  • When (if) tested for COVID-19: report results, symptoms, and contact with ill people & submit a swab to the study the same day

Optional sections

  • ​​​​S​elf-collect blood samples:​ ​When you join, in 6 months, at the end of the study, & when you test positive for COVID-19 (to see if you have COVID-19 antibodies)
  • ​Invite adults & children in your home to join​

Other Information

  • ​Participation is voluntary and participants may leave the study at any time
  • Participants will be provided with a small token of appreciation for taking part in the study

For more information about the study, please visit http://www.tibdn.ca/covid-19/ccs

If you have any questions about the study, please email the study office at covid.study@sinaihealth.ca or call the office at 416-294-6383

Updated on March 30, 2021