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Cholera - Mexico - Monitoring outbreak 2013 (ECDC/CDTR, October 18 2013, edited)

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  • Cholera - Mexico - Monitoring outbreak 2013 (ECDC/CDTR, October 18 2013, edited)

    [Source: European Centre for Disease Prevention and Control (ECDC), full PDF document: (LINK). Edited.]


    Week 42, 13-19 October 2013


    Cholera - Mexico - Monitoring outbreak 2013

    Opening date: 14 October 2013 Latest update: 17 October 2013

    Epidemiological summary

    As of 10 October 2013, Mexico has reported 159 confirmed cases, including one death, of infection with Vibrio cholerae O:1 Ogawa toxigenic.

    The affected areas include the Federal District (2 cases), the state of Hidalgo (145 cases), the state of Mexico (9 cases), the state of San Luis Potosi (1 case) and the state of Veracruz (2 cases).

    Eighty-four (53%) cases are female and 75 (47%) are male with ages ranging from 3 months to 88 years old. Forty-three (27%) of the cases were hospitalised.

    The current strain is different from the one that circulated during 1991-2001, however, genetic testing suggests it to be similar to the strain circulating in Haiti, Dominican Republic and Cuba.

    Investigation results are indicating that the river water is the source of contamination for the affected persons in the state of Hidalgo.


    ECDC assessment

    This is the first sustained autochthonous transmission of cholera recorded in Mexico since the 1991-2001 endemic period.

    Travellers to Mexico and to the other affected countries in the region (Cuba, the Dominican Republic and Haiti) should be aware of preventive hygiene measures and seek advice from travel medicine clinics prior to their departure, to assess their personal risk.

    In addition, physicians in the European Union should consider the diagnosis of cholera in returning travellers from these countries presenting with compatible symptoms. Upon diagnosis, notification to the relevant public health authorities is essential.


    ECDC published an epidemiological update on 10 October.