Table 1.

Demographic and clinical characteristics of cholera patients and healthy controls in this study

Sample type and infectiona	No. of patients	Median age (yr)
Plasma
Ogawab	17	29
Inabab	15	30
O139c	15	35
Stool extract
Ogawad	14	29
Inabad	14	29
ALS
Ogawae	10	33
Inabae	10	36
Healthyf	10	33
ASC
Ogawad	9	32

^aALS, antibody-in-lymphocyte supernatant assay; ASC, antibody-secreting cell assay.

^bSpecimens were analyzed on day 2 and on follow-up days 7, 30, 90, 180, 270, and 360.

^cSpecimens were analyzed on days 2, 7, and 21.

^dSpecimens were analyzed on days 2, 7, and 30.

^eSpecimens were analyzed on days 2 and 7.

^fSpecimens were analyzed on day 0 for specimens obtained from healthy controls.