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Infant botulism with prolonged faecal excretion of botulinum neurotoxin and Clostridium botulinum for 7 months

  • Y. DERMAN (a1), H. KORKEALA (a1), E. SALO (a2), T. LÖNNQVIST (a2), H. SAXEN (a2) and M. LINDSTRÖM (a1)...

In Finland in April 2010, a 3-month old baby was diagnosed with type A infant botulism. He excreted botulinum neurotoxin and/or Clostridium botulinum in his faeces until November 2010. Five months of excretion was after clinical recovery and discharge from hospital. C. botulinum isolates recovered from the household dust in the patient's home were genetically identical to those found in the infant's stool samples. Long-term faecal excretion of C. botulinum may pose a possible health risk for the parents and others in close contact with the infant.

Corresponding author
* Author for correspondence: Professor M. Lindström, Department of Food Hygiene and Environmental Health, University of Helsinki, P.O. Box 66, 00014, Helsinki University, Finland. (Email:
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Epidemiology & Infection
  • ISSN: 0950-2688
  • EISSN: 1469-4409
  • URL: /core/journals/epidemiology-and-infection
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