Foodborne illness, often called food poisoning or foodborne disease, is any illness that results from eating contaminated food. It is a common cause of diarrheal illness in Wisconsin.
If you believe you or someone you know became ill from eating a certain food, report your illness with the online reporting tool. Learn more about the tool by viewing the Food Poisoning: Report an Illness Caused by Food or Water webpage.
If you are severely ill, see a doctor immediately. Food poisoning can be especially dangerous for infants, pregnant people, older adults, and people who are immunocompromised.
Reporting illnesses helps public health officials identify potential foodborne disease outbreaks. By investigating foodborne disease outbreaks, possible problems in food production, distribution, and preparation that may cause illness can be discovered and steps can be taken to prevent others from getting sick.
Foodborne botulism is caused by eating foods that contain the botulinum neurotoxin. The disease most often develops after eating improperly processed foods that are inadequately cooked.
Listeriosis is a serious infection usually associated with eating food contaminated with the bacteria. An estimated 1,600 people get listeriosis each year, and about 260 die.
Campylobacter bacteria is a common cause of diarrhea in the U.S. Most cases happen by eating undercooked poultry products that have the bacteria on it.
Although it is commonly called the stomach flu, norovirus is not related to the flu (influenza). Norovirus is the leading cause of foodborne illness outbreaks in Wisconsin.
C. perfringens outbreaks are most commonly associated with meals in which large quantities of food are prepared several hours before serving and are a frequent contaminant of meat and poultry.
Salmonella is spread by eating or drinking food or water with Salmonella bacteria in it, by touching objects with Salmonella germs on them, or by touching poop from infected people or animals.
Cyclosporiasis is a disease that causes watery diarrhea and stomach pain. Most people get sick by travelling to tropical countries where the parasite is commonly found.
Vibriosis (non-cholera) is primarily a disease that causes diarrhea. In the United States, infections are more common between May to October when water temperatures are warmer.
People of any age can become infected with E. coli. Infections start when you swallow tiny invisible amounts of feces in your mouth.
Yersiniosis is a gastrointestinal disease that often causes fever, diarrhea, and stomach pain.
Hepatitis A is a liver infection that is caused by the hepatitis A virus. Approximately 10–30 cases of hepatitis A are reported in Wisconsin each year.
Additional resources
Questions about Food Poisoning? Contact us!
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