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Prolonged survival of Neisseria gonorrhoeae in a new liquid medium.

Despite substantial improvements in solid culture media for gonococci and the development of liquid media for the short-term growth of the organism, we know of no study of the long-term survival of Neisseria gonorrhoeae in liquid medium. A new liquid medium for N. gonorrhoeae formulated in this laboratory is simple, efficient, and promising. It will support growth and sustain inoculated colony types for periods of up to 3 weeks. Moreover, it has been used successfully for the primary isolation of gonococci from patients. From the evidence at present available, we believe that this medium will find a useful place in gonococcal research.