Health & Human services

WHAT IS SHIGA TOXIN-PRODUCING E. COLI (STEC)?

STEC is a type of bacteria that can make people very sick by producing toxins that damage the lining of the intestines. Understanding Shiga toxin-producing E. coli (STEC) infections is important because it helps prevent serious illnesses by promoting safe food handling and proper hygiene practices. Knowing the symptoms and how the infection spreads can lead to quicker treatment and reduce the risk of severe health complications. 

Resources

California Department of Public Health (CDPH) 
Centers for Disease Control & Prevention (CDC) 
World Health Organization (WHO) 

Frequently Asked Questions

• What are the signs and symptoms of STEC?

  Signs and symptoms include:  

  • Diarrhea (often bloody) 
  • Abdominal cramps 
  • Fever 
  • Nausea and vomiting 

• How does STEC spread?

  • Through consumption of contaminated food or water 
  • Direct contact with infected individuals or animals 
  • Exposure to contaminated environments 

• How can I protect myself and others from STEC?

  Proper Food Handling and Preparation 
  Practice the four steps of food safety: clean, separate, cook, and chill. 
  Proper storage of perishable foods 
  

  Practice Good Hygiene and Sanitation 
  Wash hands with soap and water 
  Clean and disinfect surfaces
  

  Seek Medical Attention When Necessary