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Incidence of vaginal Weeksella virosa (formerly group IIf).
  1. C Mardy,
  2. B Holmes
  1. Department of Pathology, General Hospital, Cheshire, London.


    The antimicrobial susceptibilities, biochemical properties, and cultural characteristics of six strains of Weeksella virosa (formerly group IIf) were determined. The main characteristics of this non-fermentative organism were production of cytochrome oxidase, gelatinase, and indole, but a lack of saccharolytic activity. A study was then made of the isolation rates of Weeksella virosa from high vaginal swabs from 300 women: a healthy control group (n = 100), a general group with symptoms of vaginal infection (n = 100), and 100 women from a remand centre, where likelihood of exposure to sexually transmitted disease might be expected to be higher. The incidence of Weeksella virosa was found to be 2% in the first two groups. This suggests that, irrespective of the presence of pathogens, the incidence of the species in the general female population is around 2%. A much higher incidence (15%) was found in the third group, suggesting sexual transmission of the organism.

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