Frequency of vaccine-related reactogenicity events During inpatient stage [clinicaltrials_resource:64ee6a1eac1e821a283723f7570bc2ac]

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:64ee6a1eac1e821a283723f7570bc2ac]

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