How can bacteria cause food poisoning?

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. The bacteria and viruses that cause the most illnesses, hospitalizations, and deaths in the United States are:. read more

Some bacteria cause fewer cases of food poisoning but can make you very sick. They can even cause death. They include: E. coli. This is the name of a type of bacteria found in the intestines of animals. You can get this from undercooked ground beef, unpasteurized milk, sprouts, or any food or liquid that has had contact with animal feces or sewage. read more

Salmonella is the second most common cause of food poisoning after Campylobacter. It has been found in unpasteurised milk, eggs and raw egg products, meat and poultry. It can survive if food is not cooked properly. Salmonella can grow in food. If a small number of bacteria are present in a food, they will multiply unless it is chilled. read more

There are over two hundred types of bacteria, viruses, and parasites that can cause foodborne diseases. Reactions to these germs can range from mild gastric and digestive system discomfort to death. The easiest way to prevent foodborne illness is to properly handle and cook foods. read more