How does E. coli get in the water?

E. Coli comes from human and animal wastes. During precipitation, E.

Coli may be washed into creeks, rivers, streams, lakes, or groundwater. When these are used as sources of drinking water - and the water is not treated or inadequately treated - E. Coli may end up in drinking water.

What are the health effects of E. Coli O157:H7? E.

Coli O157:H7 is one of hundreds of strains of the bacterium E. Coli. Although most strains are harmless and live in the intestines of healthy humans and animals, this strain produces a powerful toxin and can cause severe illness.

Infection often causes severe bloody diarrhea and abdominal cramps; sometimes the infection causes non-bloody diarrhea. Frequently, no fever is present. How does it spread?

Infections spread by many food sources such as undercooked ground beef, unpasteurized milk and apple cider, ham, turkey, roast beef, sandwich meats, raw vegetables, cheese and contaminated water. Once someone has eaten contaminated food, the infection can be ... more.

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