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Spread of an epidemic Pseudomonas aeruginosa strain from a patient with cystic fibrosis (CF) to non-CF relatives
  1. S J McCallum1,
  2. M J Gallagher2,
  3. J E Corkill2,
  4. C A Hart2,
  5. M J Ledson1,
  6. M J Walshaw1
  1. 1Regional Adult Cystic Fibrosis Unit, The Cardiothoracic Centre, Liverpool L14 3PE, UK
  2. 2Department of Medical Microbiology, University of Liverpool, Liverpool, UK
  1. Correspondence to:
    Dr M J Walshaw, The Cardiothoracic Centre, Thomas Drive, Liverpool L14 3PE, UK;


Colonisation with Pseudomonas aeruginosa is common in adults with cystic fibrosis (CF) and there is increasing evidence that transmissible strains may cross colonise patients. However, transmission of these strains by social contact to healthy non-CF individuals has not been described. A case is presented where an adult CF patient colonised by an epidemic P aeruginosa strain infected her parents with subsequent morbidity.

  • Pseudomonas aeruginosa
  • cystic fibrosis
  • cross infection
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