Volume s1-22, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



  • 1.  Fifty postnatal volunteers (25 with and 25 without ) were each given 3 intravaginal inoculations of concentrates from 48–72 hour cultures of .
  • 2.  Whereas no permanent infections were established, survived for periods of 48 (5), 72 (1), 168 (1) and 432 (1) hours respectively. The 7 and 18 day survivals probably involved some multiplication.
  • 3.  Three brief attempts at intravaginal establishment of by inoculating directly from mouth to vagina were unsuccessful.
  • 4.  The complete inability of and to establish lasting intravaginal infections, and the far greater capacity for intravaginal survival exhibited by over that shown by , again lead us to state that the mouth, intestine and genital tracts of man are infected with 3 separate and distinct species of .


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  • Received : 08 Sep 1942
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