Admission screening for extended-spectrum cephalosporin-resistant and carbapenem-resistant Enterobacterales colonization at a referral hospital in Botswana: A one-year period-prevalence survey, 2022-2023.

Exposure and Confounding Variables - Incomplete Capture of Healthcare Exposure: The study does not account for non-inpatient healthcare exposures (e.g., outpatient or clinic visits), which may be significant, especially for infants. - Antibiotic Exposure Assessment: Reliance on patient recall for antibiotic use could introduce misclassification bias.

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