60
Participants
Start Date
September 30, 2025
Primary Completion Date
January 31, 2026
Study Completion Date
October 31, 2027
Tdap Vaccine Administration
The Tdap vaccine will be administered according to the Product Monograph. Participants will be asked to look away during vaccine administration to maintain blinding.
RSV Vaccine
The RSVpreF vaccine will be administered according to the Product Monograph. Participants will be asked to look away during vaccine administration to maintain blinding.
Saline (as a placebo)
Normal saline (0.5mL) will be administered as a placebo according to the Product Monograph. Participants will be asked to look away during vaccine administration to maintain blinding.
Vaccine Evaluation Center, Vancouver
Canadian Center for Vaccinology, Halifax
The Ottawa Hospital Research Institute, Ottawa
Centre hospitalier universitaire Ste-Justine, Montreal
Collaborators (2)
Ottawa Hospital Research Institute
OTHER
Vaccine Evaluation Center, Canada
OTHER
University of British Columbia
OTHER
Canadian Center for Vaccinology
OTHER
Dalhousie University
OTHER
IWK Health Centre
OTHER
Public Health Agency of Canada (PHAC)
OTHER_GOV
Centre Hospitalier Universitaire Sainte-Justine (CHU-SJ) (University of Montreal)
UNKNOWN
Canadian Immunization Research Network
NETWORK