June 1998 Issue
"Lettuce" Learn How to Wash Salad Greens
Think a quick dunk in water is enough to clean your lettuce? Not so fast, warns a microbiologist from Toronto. Prompted by an outbreak of lettuce-borne E. cola 0157:H7 that sickened 21 people in a local hospital, Ross Davidson, Ph.D., set out to determine the best method for rinsing away pathogens.
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