| [preparation and evaluation of coagglutination reagents for the identification of vibrio cholerae 01. its trial during a cholera outbreak in minatitlán, veracruz]. | this study was realized in minatitlán, veracruz during a cholera outbreak. 169 rectal swabs were taken from hilles and their contacts. they were transfer alkaline peptone water for enrichment to v. cholerae and incubated for 8 hrs to 37 degrees c, 70 were positive for v. cholerae in both techniques. the coagglutination was done with a reagent prepared at the instituto de diagnóstico y referencia epidemiológicos of méxico and the culture were also performed in the same institute. we obtained 100% ... | 1992 | 1345312 |
| [phenotypic and genotypic characterization of vibrio cholerae o1]. | we made 52180 tests for isolation and identification of toxigenic v. cholerae o1 from rectal swabs and reference strains. we isolated 17.6% v. cholerae o1 strains in 1991, 43.5% in 1992 and 38.9% in 1993. the main serovar in 1991 was inaba, whereas in 1993 a similar percentage was serovar ogawa. the phenotype of v. cholerae strains was determined by hemolysis test, voges-proskauer test, polymyxin b resistance and phages 4 and 5 resistance. all of the mexican strains were el tor. there were 2.9-0 ... | 1994 | 7701133 |
| influence of water temperature and salinity on seasonal occurrences of vibrio cholerae and enteric bacteria in oyster-producing areas of veracruz, méxico. | the influence of temperature and salinity on the occurrence of vibrio cholerae, escherichia coli and salmonella spp. associated with water and oyster samples was investigated in two lagoons on the atlantic coast of veracruz, mexico over a 1-year period. the results indicated that seasonal salinity variability and warm temperatures, as well as nutrient influx, may influence the occurrence of v. cholera. non-o1 and o1. the conditions found in the alvarado (31.12 degrees c, 6.27 per thousand, ph=8. ... | 2005 | 16061261 |
| association of vibrio cholerae with plankton in coastal areas of mexico. | the el niño event of 1997/1998 provided an opportunity to carry out a field experiment in which the relationship of sea surface temperature and the association of vibrio cholerae with marine plankton could be assessed in mexican coastal and estuarine areas. plankton samples were collected from may 1997 through june 1999. sites included the mexican ports of veracruz, coatzacoalcos and frontera in the gulf of mexico and ensenada, guaymas, mazatlán, manzanillo, acapulco and oaxaca in the pacific oc ... | 2009 | 18793311 |