VISID Eligibility

VISID is recruiting the following groups:

  • All ages considered eligible by Health Canada to receive the COVID-19 vaccinations who are either healthy or have primary immunodeficiency (inborn error of immunity) or have been on immunotherapy such as rituximab, ocrelizumab for medical conditions AND:
    • Have not been vaccinated but plan to be vaccinated against COVID-19, or
    • Have received their primary series (2 doses for healthy participants or 3 doses for immunocompromised participants) of the COVID-19 Pfizer/BioNTech, Moderna mRNA, or AstraZeneca vaccination, or
    • Were fully vaccinated including first booster (Dose 3 for healthy participants or Dose 4 for immunocompromised participants) against COVID-19 less than 24 weeks ago.

Please select ALL that applies to you:


It does not appear that you are eligible to participate in this study. If you believe you are eligible to participate, please contact our research coordinator