[Cholera in the world. The cholera epidemic of 1991 in Peru]

The objective of this article was to review the epidemic of cholera disease that affected Peru in 1991, its epidemiologic impact and the natural regions most affected. Also it is reviewed the state of this epidemic two years after. A description of the incidence of natural regions, the main mechanisms of transmission and the control strategy that public health authorities hold on. This review concludes that professionals and public health authorities should be prepared to control this disease, that can suddenly erupt in any country or region, due to the easy way of transmission of Vibrio cholerae.