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  2. Oct 4, 2024 · Major foodborne illnesses and causes. Foodborne illnesses are usually infectious or toxic in nature and caused by bacteria, viruses, parasites or chemical substances entering the body through contaminated food. Chemical contamination can lead to acute poisoning or long-term diseases, such as cancer.

  3. Get information from CDC on preventing food poisoning, food poisoning symptoms, foodborne disease outbreaks, and recalled food. View All

    • Improper cooling. Many people think that once a food has been properly cooked, all disease-causing organisms (pathogens) have been killed. This is not true.
    • Advance preparation. Advance preparation is the cause of many food-poisoning outbreaks, usually because food has been improperly cooled. Often, foods that are prepared well before serving spend too much time in the danger zone.
    • Infected person. Many people carry pathogens somewhere on or in their bodies without knowing it—in their gut, in their nose, on their hands, in their mouth, and in other warm, moist places.
    • Inadequate reheating for hot holding. Many restaurants prepare some of menu items in advance or use leftovers in their units the next day. In both cases, the foods travel through the danger zone when they are cooled for storage and again when they are reheated.
  4. Feb 23, 2024 · Learn more about foodborne illnesses that can cause upset stomach, vomiting and diarrhea within hours of eating contaminated food.

  5. Jul 29, 2024 · Access to enough safe and nutritious food is key to sustaining life and promoting good health. Unsafe food containing harmful bacteria, viruses, parasites or chemical substances can cause more than 200 different diseases, ranging from diarrhoea to cancers.

  6. Feb 22, 2018 · Foodborne diseases affect vulnerable people harder than other groups. Infections caused by contaminated food have a much higher impact on populations with poor or fragile health status and can easily lead to serious illness and death.

  7. Bacteria and Viruses. Bacteria and viruses are the most common cause of food poisoning. The symptoms and severity of food poisoning vary, depending on which bacteria or virus has contaminated the food. To prevent illness, always follow the food safety steps: clean, separate, cook, and chill.

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