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J Pediatric Infect Dis Soc. 2013 Mar;2(1):15-20. doi: 10.1093/jpids/pis077. Epub 2012 Jul 31.

Risk Factors Associated With Rotavirus Gastroenteritis During a Community Outbreak in Chiapas, Mexico During the Postvaccination Era.

Journal of the Pediatric Infectious Diseases Society

Edgar Sánchez-Uribe, Marcelino Esparza-Aguilar, Paul A Gastañaduy, Rishi Desai, Manish Patel, Vesta Richardson

Affiliations

  1. National Center for Child and Adolescent Health, Ministry of Health, Mexico City, Mexico.
  2. National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention Epidemic Intelligence Service, Atlanta, Georgia.
  3. National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention.

PMID: 26619438 DOI: 10.1093/jpids/pis077

Abstract

BACKGROUND: In January 2010, surveillance detected a rotavirus gastroenteritis outbreak in Chiapas, Mexico. We aimed to identify risk and protective factors for developing rotavirus gastroenteritis of any severity among children in the epidemic setting.

METHODS: A case-control study was conducted, comparing case patients (defined as children <36 months of age with acute gastroenteritis of any severity whose stool tested positive for rotavirus by enzyme immunoassay) with age- and municipality-matched controls. Information was obtained through face-to-face interviews on clinical outcome, demographics, breastfeeding history, rotavirus immunization status, and indicators of socioeconomic status.

RESULTS: Eighty-five case patients and 170 controls were enrolled. Factors associated with lower risk of rotavirus gastroenteritis included current breastfeeding, owning a refrigerator, and being immunized with 1 or 2 doses of a live-attenuated monovalent rotavirus vaccine. History of previous diarrheal episodes and living with 7 or more people in the same household were associated with higher risk of developing rotavirus gastroenteritis.

CONCLUSION: During this outbreak, dietary, socioeconomic, and environmental factors were independently associated with risk of developing rotavirus disease. Rotavirus vaccine also offered significant protection against rotavirus disease of any severity, emphasizing the value of vaccination as a simple and highly effective public health strategy for prevention of rotavirus illness.

© The Author 2012. Published by Oxford University Press on behalf of the Pediatric Infectious Diseases Society. All rights reserved. For Permissions, please e-mail: [email protected].

Keywords: Disease Outbreaks; Mexico.; Risk Factors; Rotavirus; Rotavirus Vaccines

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