COVID-19 Intranasal Vaccine Study (CIR 355)

The purpose of this study is to test a new COVID-19 vaccine that is given intranasally (as a nasal spray).  We want to see if it is safe and effective in healthy adults.  The study is:

• one year long

• up to 3 screening visits

• 1-2 vaccine visits (~2-3 hours long)

• 11 follow up visits (30 min-1 hr long)