Peanut butter confirmed as the source in a case of infant botulism, United Kingdom, 2024

Rosie J Crane1, Corinne Fl Amar2, Humphrey Omoruyi1

  • 1St George's University Hospitals NHS Foundation Trust, London, United Kingdom.

Insights

Infant botulism can occur from early peanut introduction. A 6-month-old developed botulism after consuming peanut butter, with the bacteria confirmed in the infant and the food source.

Area of Science:

  • Pediatric Medicine
  • Infectious Diseases
  • Food Safety

Background:

  • Early introduction of allergenic foods, like peanut butter, is recommended to reduce allergy risk.
  • Infant botulism is a rare but serious illness caused by Clostridium botulinum spores.

Purpose of the Study:

  • To report a case of infant botulism linked to early peanut butter consumption.
  • To highlight the potential risks associated with current infant feeding guidelines.

Main Methods:

  • Case report of a 6-month-old infant presenting with suspected botulism.
  • Detection of Clostridium botulinum type A in infant feces and peanut butter via PCR and culture.
  • Whole genome sequencing to confirm bacterial strain identity.

Main Results:

  • Clostridium botulinum type A was identified in both the infant's stool and the suspect peanut butter.
  • Whole genome sequencing confirmed the peanut butter as the source of the infant's infection.
  • The infant successfully recovered after treatment with Botulism Immune Globulin Intravenous (Human) (BIG-IV).

Conclusions:

  • Early introduction of peanut butter may pose a risk of infant botulism.
  • Healthcare providers should be aware of this potential complication when advising on infant feeding.
  • Further research may be needed to balance allergy prevention with infectious disease risks.