About food poisoning caused by Welsh bacteria

Food poisoning due to Welsh bacteria is increasing. Pay attention to points such as eating immediately after cooking and cooling immediately when storing, and thoroughly prevent food poisoning.

Welsh bacteria are widely distributed in nature, such as the intestinal tract, soil, and water of humans and animals, and are also attached to meat, seafood, and vegetables. Because it takes the form of heat-resistant spores, it survives without killing even at high temperatures.

Approximately 6 to 18 hours (average 10 hours)

Abdominal pain, diarrhea, etc.

・Simmered dishes using meat, seafood, vegetables, etc.

・Lunch box made with boiled food

・Foods that have been cooked in large quantities, such as curry, stew, soups, and other foods that were cooled at room temperature in a pot.

Food poisoning caused by Welsh bacteria is caused by eating food grown in large quantities by the Welsh bacteria.

The spore-like Welsh bacteria survive even when heated. When left at room temperature after cooking and the temperature of the food drops to about 45 ° C, welsh bacteria emerge from the spores shell and begin to grow rapidly. Under conditions that Welsh bacteria prefer (aoxa, 43 to 45 ° C), the bacteria doubling every 10 minutes, and only one Welsh bacteria grow into the amount of bacteria that cause food poisoning after 3 hours and 40 minutes. Care must be taken to prevent bacteria from growing.

・Avoid cooking the day before and eat as soon as possible after cooking.
・When you cook a large amount of food at once, do not leave it at room temperature.
・If it is unavoidable to store it, cool it quickly by dividing it into small pieces.
・If you want to reheat curry, mix well, heat the whole, and eat as soon as possible.

Number of incidents: 3 cases

Number of patients: 74 people

That dish…Are welche fungus increasing? ~ Welsh bacteria food poisoning is increasing ~ (PDF: 1,598KB)