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Determining Susceptibility in Vaginal Isolates

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Abstract

Antifungal drug susceptibility tests (AST) for Candida albicans are increasingly demanded for women with refractory or recurrent vaginitis due to fluconazole resistance. Given reduced activity of azole drugs at pH levels found in women with vaginitis, it is proposed that AST be performed at pH 4.5, since testing at only the recommended pH 7.0 is likely to miss a significant number of clinically relevant azole-resistant C. albicans vaginal isolates.

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