Here's why lettuce keeps getting contaminated with E. coli

The Public Health Agency of Canada is once again telling Canadians not to eat their leafy greens — especially romaine lettuce in Ontario and Quebec. Health officials in the U.S. and Canada are trying to confirm the source of a new E. coli outbreak. But once again, romaine is suspected.
Source: CBC | Health - Category: Consumer Health News Tags: News/Health Source Type: news