Table 1: Profiles of V. cholerae strains used in this study.

Year of isolationIsolated from*Serotypect gene

1993Traveler’s diarrhea case (India)O1 El Tol Ogawa+
1993Traveler’s diarrhea case (Philippines)O1 El Tol Ogawa+
1995Traveler’s diarrhea case (China)O1 El Tol Ogawa+
1996Traveler’s diarrhea case (Thailand)O1 El Tol Ogawa+
1996Traveler’s diarrhea case (Thailand)O1 El Tol Ogawa+
1996Traveler’s diarrhea case (Thailand)O1 El Tol Ogawa+
2006Cholera patient lacking detailed informationO1 El Tol Ogawa+
1997Domestic caseO1 El Tol Inaba+
2000Traveler’s diarrhea case (Thailand)O1 El Tol Inaba+
2001Traveler’s diarrhea case (China)O1 El Tol Inaba+
2004Traveler’s diarrhea case (Thailand)O1 El Tol Inaba+
2007Traveler’s diarrhea case (India)O1 El Tol Inaba+
2007Traveler’s diarrhea case (India)O1 El Tol Inaba+
1993Traveler’s diarrhea case (India)O139+
2004Domestic caseO141+
1998Traveler’s diarrhea case (Thailand)O1 El Tol Ogawa
1999Traveler’s diarrhea case (Egypt, Greece)O1 El Tol Ogawa
1997Traveler’s diarrhea case (Iran)O1 El Tol Inaba
2001Domestic caseO1 El Tol Inaba
2003Cholera patient lacking detailed informationO139

The places where the traveler’s diarrhea patients were staying are indicated in brackets.