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Time course of colonization in the infant mouse cholera model. Twenty infant mice were orally inoculated with a mixture of strains O395, KSK377 (crp), and CS2-1 (tcpA). At various times over a 24-hr period, four mice were sacrificed and the total intestinal cfu per mouse for each strain was determined and averaged. ▪, O395; •, KSK377; ▴, CS2-1.
