CHICAGO (NewsNation Now) — There have been 11 Phase 3 clinical trials for COVID-19 vaccines. Each involves thousands of people either getting a vaccine or a placebo.
Thomas Day participated in one of these studies and explained the experience to NewsNation.
Watch the full interview in the player above.
Latest coronavirus headlines
- St. Louis scientist developing ‘no shot’ COVID-19 vaccine
- Health officials identify first case of UK variant of COVID-19 in North Carolina
- UK doctors seek review of 12-week gap between vaccine doses
- Thousands of Hong Kong residents locked down to contain coronavirus
- Children enroll in new vaccine trials with Pfizer and Moderna