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Bacteria scare sparks recalls by ice-cream makers

At least five companies pull products on mounting concerns since 2010 after listeria found in ice-cream

Blue Bell pulled all its products last week, expanding on earlier recalls, in a move affecting eight million gallons of ice-cream and other products.


THE ice-cream industry's widening listeria scare, which has prompted at least five companies to recall products, is fuelled in part by DNA testing and other new tools that can better detect the bacteria and trace its origins.

Advances in genome sequencing, also called