78
Participants
Start Date
April 30, 2016
Primary Completion Date
December 31, 2020
Study Completion Date
August 1, 2021
Typhoid vaccine
The typhoid vaccine is composed of purified polysaccharide from S. typhi capsule 25 micrograms contained in 0.5 ml solution
Concentrate beetroot Juice
140 ml containing \~8 mmol of inorganic nitrate
Concentrate beetroot Juice (Placebo)
140 ml which is nitrate-depleted
William Harvey Research Institute, Barts and The London School of Medicine, London
Queen Mary University of London
OTHER