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Some precautions to
avoid E. coli infection:
1. Make sure to cook ground beef thoroughly.
2. Make sure to wash fruits and vegetables clearly
and thoroughly.
3. Wear disposable gloves when changing baby
diapers, if the baby has diarrhea.
4. Do not drink water that is not filtered (non-chlorinated).
***Joke***
Kid: Sir, can you see bacteria without microscope?