Fig 1.
CONSORT diagram showing culture-positive S. Typhi first and second visits in A) the total population during the study period of January 1, 2003 until December 31, 2006, and B) sub-populations of Vi-vaccinated and non-dosed individuals from zero time to December 31, 2006. Note: In- and out-migratory populations are not reflected in this diagram. *Given as date of vaccination occurring between November 27, 2004 and December 31, 2004. ยง Based on pairwise SNP difference >5.
Table 1.
Classification of recurrent typhoid pairings as due to reinfection based on genomic, antibiotic susceptibility, and intervening period criteria.
Table 2.
Protective effect of a first typhoid visit against recurrent typhoid due to reinfection in the total population (n = 70,566).
Table 3.
Protective effect of a first typhoid visit against recurrent typhoid due to reinfection in the Vi-vaccinated population (n = 18,869).
Table 4.
Protective effect of a first typhoid visit against recurrent typhoid due to reinfection in the non-Vi vaccinated population including in-migrants post-vaccination (n = 47,995).