The cyclospora parasite causes explosive diarrhoea and contaminated food, particularly herbs, salad and soft fruit, are common sources of infection

There have been 6,707 laboratory-confirmed cases of the explosive diarrhea illness since May 1, the CDC said July 28.

Cases of a parasitic infection that causes 'explosive' diarrhoea are on the rise - with travellers returning from Mexico pushing up cases in the UK, new data has revealed.