Frequency of vaccine-related reactogenicity events During inpatient stage [clinicaltrials_resource:0cf2271ee89c661e5ca956e334027f40]

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:0cf2271ee89c661e5ca956e334027f40]

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