Multicenter comparative study reveals high reliability of Etest across most antimicrobial agents for Yersinia pestis, suggesting its utility as an alternative to broth microdilution.
The utility of Etest for antimicrobial susceptibility testing of Yersinia pestis was evaluated in comparison with broth microdilution and disk diffusion for eight agents. Four laboratories tested 26 diverse strains and found Etest to be reliable for testing antimicrobial agents used to treat Y. pestis, except for chloramphenicol and trimethoprim-sulfamethoxazole. Disk diffusion testing is not recommended.
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Lonsway et al. (2011) studied this question.
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