Watch out - your tomatoes could spread bugs to other salad ingredients, so wash your knife before tackling another vegetable.

The lurking peril on your salad knife, and why teasing girls about weight is bad for their health

If you don’t wash the blade after chopping, say, tomatoes, you could spread bugs such as E.coli or salmonella to the next vegetable you chop for a salad

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Watch out - your tomatoes could spread bugs to other salad ingredients, so wash your knife before tackling another vegetable.
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