Subject(s)

Bacterial Secretion Systems , Vibrio cholerae O1/genetics , Vibrio cholerae O1/metabolism , Cholera/epidemiology , Cholera/microbiology , Cholera Toxin/metabolism , Cluster Analysis , Electrophoresis, Gel, Pulsed-Field , Environmental Microbiology , Genetic Variation , Humans , Mexico/epidemiology , Molecular Epidemiology , Molecular Typing , Vibrio cholerae O1/classification , Vibrio cholerae O1/isolation & purification , Virulence , Virulence Factors/genetics