Comparison of growth of Mycoplasma pneumoniae on modified New York City and Hayflick media

American Journal of Clinical Pathology
S A DormanT F Smith

Abstract

Modified New York City medium was compared to Hayflick solid medium without methylene blue, using 23 stock strains of Mycoplasma pneumoniae. Time to recovery was the same for both media, never longer than 24 hours. Sensitivity, as measured by colony counts, was significantly greater with Hayflick medium. Modified New York City medium may not be more rapid than Hayflick medium and may not offer significant advantages over the latter.

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