Frequency of vaccine-related reactogenicity events During inpatient stage [clinicaltrials_resource:9d1d711f2bf61b6511245dc606f9685e]

Participants will receive 0.5 mL of vaccine intranasally via an Accuspray device (0.25 mL in each nostril)

Frequency of vaccine-related reactogenicity events During inpatient stage [clinicaltrials_resource:9d1d711f2bf61b6511245dc606f9685e]

Participants will receive 0.5 mL of vaccine intranasally via an Accuspray device (0.25 mL in each nostril)