Table 1. Infant mouse colonization data for different V. cholerae strains.

Strain	Serogroup	Competitive index*
AM-19226	O39	1.42 ± 0.34
AM-15622	O8	0.69 ± 0.11
MZO-2	O14	0.91 ± 0.36
MZO-3	O37	0.8 ± 0.32
N16961	O1	1.21 ± 0.52
TCP-2	O1	0.12 ± 0.09

^*Values represent the mean of six assays in different mice ± SD