The sickening truth behind Britain's food poisoning epidemic: Cases are surging across the country and no one knows why... until now. From supermarket produce to takeaways we reveal what's going on ⊖⊖

They are among the most common - and insidious - of illnesses. Often, the first signs are mild: a rumbling tummy or vague nausea - all too often leading to stomach cramps, fever and vomiting.