Bacillus cereus


Standard Precautions

General Information

Gram-positive, aerobic, spore-forming rods.

Resistant to heat, radiation, and disinfectants, and their adhesive characters allow their attachment to equipment.

Commonly found in soil, vegetables, and a variety of foods (e.g. rice). Associated with food poisoning, producing two types of toxins.

The first type of illness has an incubation period of 4-16 hours following ingestion with symptoms of abdominal pain and non-bloody diarrhea that last for 12-24 hours. The second type leads to nausea and vomiting within 1-5 hours after consumption of contaminated food.

  • Bacterimia

  • Pneumonia

  • Endocarditis

  • Meningitis

  • Cutaneous infections

FDA. Bacteriological Analytical Manual Chapter 14: Bacillus cereus. October 2020.

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