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Cross-sectional study detects bla OXA-23 in carbapenem-resistant Acinetobacter baumannii, suggesting urgent infection control actions.
Carbapenem‐resistant Acinetobacter baumannii (CRAB) has been designated a top‐priority critical pathogen by the World Health Organization, and the CDC has also classified it as a serious and immediate public health threat. The Cross‐sectional study was conducted to detect the bla OXA‐23 gene among carbapenem‐resistant Acinetobacter baumannii isolated from clinical specimens in intensive care units. The study was conducted at the Department of Microbiology, Institute of Pathology and Diagnostic Medicine, Khyber Medical University, from January 2024 to December 2024. Phenotypically confirmed Carbapenem‐resistant Acinetobacter baumannii isolates were genotypically verified via bla OXA‐51 detection, then screened for bla OXA‐23 using polymerase chain reaction, and PCR mapping was done for the upstream insertion of ISAba1 . bla OXA‐23 gene with an upstream insertion of ISAba1 is detected in all 52 (100%) isolates. ST19 is the most commonly identified ST, accounting for 31 (59.6%), followed by ST2 14 (26.9%) and ST1 7 (13.4%). Consequently, these findings emphasize the implementation of targeted infection control measures and routine surveillance screening within high‐risk ICU environments to mitigate further transmission.
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Waseem et al. (2026) studied this question.
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