Cefepime resistance with preserved ceftriaxone susceptibility in Proteus mirabilis osteomyelitis associated with bla OXA-1 gene amplification: Two case reports with genomic analysis

By afschroeder • July 2, 2026

Lima A, Collins M, Jaramillo M, Gonzalez-Ferrer S, Sircar A, Allyn PR, Yang S. Cefepime resistance with preserved ceftriaxone susceptibility in Proteus mirabilis osteomyelitis associated with bla_OXA-1 gene amplification: Two case reports with genomic analysis. IDCases. 2026 Jun 25;45:e02654. doi: 10.1016/j.idcr.2026.e02654. PMID: 42389002; PMCID: PMC13318549.

Tags: Cefepime resistance, Gene duplication, Infectious Diseases, Osteomyelitis, OXA-1, Proteus mirabilis, Publications

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