epidemiologic study of vibrio cholerae o1 and o139 in thailand: at the advancing edge of the eighth pandemic. | vibrio cholerae o139 bengal emerged on the indian subcontinent in late 1992 and was first recognized in thailand in 1993. to characterize the epidemiology of this disease, a hospital-based case-control study was conducted in samutsakorn, a port city 30 km southwest of bangkok. between november 15, 1993, and june 3, 1994, 366 patients were confirmed to have cholera by culture, including 165 (45%) with o139 bengal, 191 (52%) with o1 ogawa, and 10 (3%) with both serogroups. during the same time per ... | 1996 | 8561160 |
phenotypic and molecular characterization of vibrio cholerae o1 isolated in samutsakorn, thailand before, during and after the emergence of v. cholerae o139. | seventy clinical strains of vibrio cholerae o1 isolated from 1982-96 in samutsakorn, a port city 30 km southwest of bangkok where cholera occurs at low levels with regular seasonality, were characterized to investigate if there were any differences among the o1 strains isolated before, during and after the 0139 epidemic. pulsed-field gel electrophoresis (pfge) typing, ribotyping and southern blot hybridization with a cholera toxin probe (ct genotyping) demonstrated several genotypes among o1 str ... | 1998 | 9825775 |