AUTHOR=Jones Claire , Darton Thomas C. , Pollard Andrew J. TITLE=Why the development of effective typhoid control measures requires the use of human challenge studies JOURNAL=Frontiers in Microbiology VOLUME=5 YEAR=2014 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2014.00707 DOI=10.3389/fmicb.2014.00707 ISSN=1664-302X