Skip to content

COVAIL COVID-19 Vaccine Trial

The purpose of this clinical trial is to test the safety and effectiveness of additional COVID-19 booster doses in people who have already received a primary COVID-19 vaccination series and booster dose. Participants will have completed a primary COVID-19 vaccination series (2 doses of Pfizer, 2 doses of Moderna, or 1 dose of Johnson & Johnson) and received a booster at least 16 weeks prior to joining the study.

Skip to toolbar