The authors discuss antibiotic resistance within a conceptual framework that illustrates the dynamic relationships among antibiotic, patient, and population factors. The complexity of these interactions makes it unlikely that any single intervention or approach will adequately address the problem of increasing rates of antibiotic resistance. A case study focused on Streptococcus pneumoniae in the context of community-acquired pneumonia provides a detailed examination of the manner in which antibiotic use, expenditures, and microbial resistance are affected by an administrative reimbursement restriction implemented by a single government payer.
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