Immune Sub-Study

Study Purpose

The Immune Sub Study has been developed as a sub-protocol of the Canadian COVID-19 Vaccine Registry for Pregnant and Lactating Individuals (COVERED). The larger vaccine study aims to assess safety, effectiveness, and acceptability of COVID-19 vaccination in pregnant individuals. The sub-study aims to enable a better understanding of the immune response of the COVID-19 vaccine generated during pregnancy.

Initial engagement has been established at BC Women’s Hospital with the potential for additional sites throughout BC

Study Objectives

  1. To examine immune response to COVID-19 vaccination in pregnant individuals
  2. To measure IgG and IgA antibody levels in breastmilk samples

Study Eligibility

  1. Currently pregnant or lactating
  2. 19 years of age or older
  3. Able to communicate in English
  4. Scheduled to or have been vaccinated with a COVID-19 vaccination
  5. Registered to deliver at BC Women’s Hospital

For further information regarding the study or to ask questions, please contact us via email at