While most people associate E. coli with foodborne illness, there are actually many strains of E. coli that are harmless or even beneficial to humans. These strains are commonly found in the gut and help us to digest food, absorb nutrients, and fight off harmful bacteria.

One example of a beneficial E. coli strain is Nissle 1917, which is used as a probiotic. Probiotics are live microorganisms that, when consumed in adequate amounts, can provide health benefits to the host. Nissle 1917 has been shown to help treat and prevent a variety of gastrointestinal conditions, including diarrhea, irritable bowel syndrome (IBS), and Crohn's disease.

It's important to note that not all E. coli strains are harmless. Some strains, such as E. coli O157:H7, can cause serious illness, including abdominal cramps, diarrhea, vomiting, and fever. These strains can be found in undercooked ground beef, unpasteurized milk, and contaminated produce.

To protect yourself from harmful E. coli strains, it's important to follow safe food handling practices. These include:

* Cooking ground beef to an internal temperature of 160°F (71°C)

* Avoiding unpasteurized milk

* Washing produce thoroughly before eating

* Keeping raw meat and poultry separate from other foods

* Washing your hands frequently, especially after handling raw meat or poultry

By following these simple tips, you can help reduce your risk of E. coli infection and enjoy the benefits of good coli.