TABLE 1 

Isolation and detection of toxigenic V. cholerae from water samples collected at Mathbaria, a region of Bangladesh where cholera is endemic, by culture and PCR methods

SeasonNo. of samplesNo. (%) of samples with V. cholerae O1
Isolated by culture (%)Detected by PCR of:
rfbO1 (%)ctxA(%)
Winter3603 (8.3)4 (11.1)
Spring4210 (23.8)10 (23.8)11 (26.2)
Monsoon3602 (5.6)2 (5.6)
Fall423 (7.1)3 (7.1)3 (7.1)