Comparison of four charcoal media for the isolation of Bordetella pertussis. |
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| Authors: | J E Hoppe and J Schwaderer |
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| Affiliation: | University Children's Hospital, Tübingen, Federal Republic of Germany. |
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| Abstract: | ![]()
Charcoal-horse blood agar with 40 micrograms of cephalexin per ml, charcoal-horse blood agar with 3 micrograms of lincomycin per ml, charcoal agar with 3 micrograms of lincomycin per ml, and Legionella (buffered charcoal-yeast extract) agar with 3 micrograms of lincomycin per ml were compared for isolation of Bordetella pertussis. Charcoal-horse blood agar with 40 micrograms of cephalexin per ml gave the best results, with a B. pertussis recovery rate of 100%. Growth was most rapid and the mean number of colonies was highest on this agar, and growth of pharyngeal flora was completely suppressed. |
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