It’s not just the mass shootings you have to watch out for in the US, it’s also the lettuce – a dodgy bit of iceberg could leave you sick with cyclosporiasis. And then there are the frozen blueberries, recently recalled because of a “reasonable probability” they could “cause serious adverse health consequences or even death”. And the alfalfa sprouts that may harbour salmonella. And the fruit bars that may be contaminated with glass. I could go on: there’s been a surge in foodborne illnesses in the US this year and food recalls have been getting a lot of........

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