It is a kind of disease occurs when a person eats a contaminated food product containing harmful pathogens, which then grow in the intestinal tract and cause illness

This is known as food poisoning. It happens when you consume food or drink that has been contaminated with harmful bacteria, viruses, parasites, or toxins. Here are the steps of how it occurs:

1. Contamination: The food or drink gets contaminated with harmful pathogens. This can happen at any stage of production, from growing and harvesting to processing, storing, shipping, and preparing. Common sources of contamination include unclean water, unhygienic handling, and improper storage or cooking.

2. Consumption: The person eats or drinks the contaminated product. The pathogens enter the body through the digestive system.

3. Growth: Once inside the body, the pathogens begin to multiply in the intestinal tract. This is often where the person starts to feel sick.

4. Illness: The multiplying pathogens disrupt normal bodily functions, leading to symptoms of food poisoning. These can include stomach cramps, vomiting, diarrhea, fever, and in severe cases, dehydration and electrolyte imbalance.

5. Recovery: With proper treatment, which usually involves rest and rehydration, the body can fight off the infection and the person can recover. In some cases, medical intervention may be necessary.

Remember, the best way to prevent food poisoning is through proper food safety practices, such as washing hands and surfaces often, avoiding cross-contamination, cooking foods to the right temperature, and refrigerating foods promptly.