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  • Title: A new plating medium for the isolation of enteric pathogens. II. Comparison of hektoen enteric agar with SS and EMB agar.
    Author: King S, Metzger WI.
    Journal: Appl Microbiol; 1968 Apr; 16(4):579-81. PubMed ID: 5647515.
    Abstract:
    During this study, 2,855 stool specimens from patients at Cook County Hospital were cultured for enteric pathogens. Hektoen Enteric Agar (HE) was compared with E M B and S S Agars by replicate samplings with both direct and indirect methods. Shigella species were recovered more than twice as often on HE Agar as on S S Agar by both methods. With the direct method only, out of 98 Shigella isolated, 97 were isolated from HE Agar, 74 were recovered from E M B Agar, and 40 were found on S S Agar. In addition, HE yielded better isolation of Salmonella strains than did S S or E M B by either direct or indirect methods. The greater efficiency of HE medium is discussed with respect to colonial recognition of enteric pathogens.
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