Risk Factors for Shiga Toxin–producing E. coli Infections in Children in Argentina
Author Information
Author(s): Rivas Marta, Sosa-Estani Sergio, Rangel Josefa, Caletti Maria G., Vallés Patricia, Roldán Carlos D., Balbi Laura, Marsano de Mollar Maria C., Amoedo Diego, Miliwebsky Elizabeth, Chinen Isabel, Hoekstra Robert M., Mead Paul, Griffin Patricia M.
Primary Institution: Instituto Nacional de Enfermedades Infecciosas, Buenos Aires, Argentina
Hypothesis
What are the risk factors for sporadic Shiga toxin–producing Escherichia coli (STEC) infection among children in Argentina?
Conclusion
Many STEC infections in children could be prevented by avoiding consumption of undercooked beef and limiting exposure to farm animals.
Supporting Evidence
- Eating undercooked beef was significantly associated with illness.
- Contact with a child <5 years of age with diarrhea increased the risk of infection.
- Respondents who always washed hands after handling raw beef had lower infection rates.
- Living in or visiting a place with farm animals was linked to higher infection rates.
Takeaway
Kids can get sick from a type of bacteria called E. coli if they eat undercooked beef or are around farm animals. Washing hands after touching raw meat helps keep them safe.
Methodology
A prospective case–control study was conducted in two sites with 150 case-patients and 299 controls.
Potential Biases
Neighborhood matching may have led to overmatching on some fixed environmental features.
Limitations
The study included children with diarrhea-associated HUS who did not have laboratory confirmation of STEC infection.
Participant Demographics
Median age of case-patients was 1.8 years; 58% were girls.
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CI
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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