64
Participants
Start Date
April 24, 2018
Primary Completion Date
March 1, 2020
Study Completion Date
March 1, 2020
Pre-school booster vaccine
Routine vaccination with pre-school booster vaccine
Gloucestershire NHS Trust, Gloucester
Oxford Vaccine Group, Oxford
St George's, University of London, London
University of Oxford
OTHER
University Hospitals Bristol and Weston NHS Foundation Trust
OTHER
St George's, University of London
OTHER