1887

Abstract

SUMMARY: grew profusely and retained its normal minute coccobacillary form when grown under 0.4 mm. of fluid lying on a Cohen & Wheeler agar medium + charcoal. Microbes grown in this way were fully antigenic in terms of the mouse protection test. It was easy to obtain harvests of 1.2 x 10 organisms/ml.

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/content/journal/micro/10.1099/00221287-27-2-323
1962-02-01
2022-01-27
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References

  1. Cohen S. M., Wheeler M. W. 1946; Pertussis vaccine prepared with Phase-I cultures grown in fluid medium. Amer. J. publ. Hlth 36:371
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