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1. • 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.
     www.foodsafety.gov/food-poisoning/bacteria-and-viruses

     Bacteria and Viruses | FoodSafety.gov

2. People also ask

   What causes food poisoning if you eat contaminated food?

   • Food poisoning occurs when you eat contaminated food. Contaminated means it’s infected with a toxic organism, like a bacterium, fungus, parasite or virus. Sometimes, the toxic byproducts of these organisms can cause food poisoning. When you eat something toxic, your body reacts to purge the toxins. You may purge through vomiting, diarrhea or both.

   Food Poisoning: Signs & Symptoms, Treatment, Causes - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/21167-food-poisoning

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   What happens if you eat a contaminated food?

   • Contaminated means it’s infected with a toxic organism, like a bacterium, fungus, parasite or virus. Sometimes, the toxic byproducts of these organisms can cause food poisoning. When you eat something toxic, your body reacts to purge the toxins. You may purge through vomiting, diarrhea or both. You may also develop a fever.

   Food Poisoning: Signs & Symptoms, Treatment, Causes - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/21167-food-poisoning

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   What bacterial causes food poisoning?

   • Salmonella is the most common bacterial cause of food poisoning in the U.S. It causes the highest number of hospitalizations and deaths from food poisoning. E. coli: Usually found in undercooked meat and raw vegetables, E. coli bacteria produce a toxin that irritates your small intestine.

   Food Poisoning: Signs & Symptoms, Treatment, Causes - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/21167-food-poisoning

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   What contaminates food & water?

   • Things that may contaminate food and water include: Bacteria. Viruses. Parasites. Fungi. Toxins. Chemicals. There are more than 250 specific types of food poisoning. Some of the most common causes include: Salmonella: Raw eggs and undercooked poultry are common sources of salmonella poisoning.

   Food Poisoning: Signs & Symptoms, Treatment, Causes - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/21167-food-poisoning

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3. www.mayoclinic.org › diseases-conditions › foodFood poisoning - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org › diseases-conditions › food

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   Feb 23, 2024 · Food poisoning, a type of foodborne illness, is a sickness people get from something they ate or drank. The causes are germs or other harmful things in the food or beverage. Symptoms of food poisoning often include upset stomach, diarrhea and vomiting.

4. my.clevelandclinic.org › health › diseasesFood Poisoning: Signs & Symptoms, Treatment, Causes

   my.clevelandclinic.org › health › diseases

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   Food poisoning can happen to anyone who swallows contaminated food. Most people recover on their own, but some can become gravely ill. You’re more at risk if you’re pregnant, older than 65 or have a weakened immune system.

5. www.healthline.com › health › food-poisoningFood Poisoning: Symptoms, Causes, and Treatment - Healthline

   www.healthline.com › health › food-poisoning

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   Jul 24, 2024 · Foodborne illness, typically known as food poisoning, results from eating contaminated, spoiled, or toxic food. The most common symptoms of food poisoning are nausea, vomiting, and diarrhea.

6. www.mayoclinic.org › diseases-conditionsSalmonella infection - Symptoms & causes - Mayo Clinic

   www.mayoclinic.org › diseases-conditions

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   Apr 29, 2022 · Salmonella infection (salmonellosis) is a common bacterial disease that affects the intestinal tract. Salmonella bacteria typically live in animal and human intestines and are shed through stool (feces). Humans become infected most frequently through contaminated water or food. Some people with salmonella infection have no symptoms.

7. www.canada.ca › en › public-healthCauses of salmonellosis (Salmonella) - Canada.ca

   www.canada.ca › en › public-health

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   Salmonellosis is an infection caused by Salmonella bacteria. How is salmonellosis spread? Salmonellosis can be spread when you eat or drink contaminated food or beverages, such as: raw or undercooked poultry, pork and ground beef. raw or undercooked eggs or egg products. unpasteurized dairy products like raw milk and cheese.

8. www.who.int › news-room › fact-sheetsFood safety - World Health Organization (WHO)

   www.who.int › news-room › fact-sheets

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   Oct 4, 2024 · Unsafe food containing harmful bacteria, viruses, parasites or chemical substances causes more than 200 diseases, ranging from diarrhoea to cancers. It also creates a vicious cycle of disease and malnutrition, particularly affecting infants, young children, elderly and the sick.

9. www.verywellhealth.com › food-poisoning-overviewFood Poisoning: Symptoms, Treatment, Causes, and More

   www.verywellhealth.com › food-poisoning-overview

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   Sep 5, 2023 · Fever. Headache. Weakness. Symptoms may vary based on the specific germ contaminating the food. In addition, symptoms of food poisoning may develop within a few hours of eating or drinking, or they may take a longer period of time—even days—to develop. How to Recognize Dehydration Symptoms. When to Seek Medical Attention.