Symptoms listed as 'explosive diarrhoea' bug cases rise sharply

The cases have been linked to travel11:31, 30 Jul 2026Updated 11:35, 30 Jul 2026People heading to Mexico have been warned to take extra precautions amid a sharp rise in cases of travellers picking up a parasite that causes explosive diarrhoea. Cases of cyclospora have been reported by people who stayed at hotels in popular tourist destinations in the Riviera Maya and Cancun regions, the UK Health Security Agency (UKHSA) said.‌Common sources of cyclospora outbreaks include contaminated food such as salad, soft fruit and herbs. The infection causes diarrhoea, cramping, bloating, nausea, loss of appetite and a fever.‌Most cases are mild and improve within a few days without treatment, but some infections can be serious or prolonged and require antibiotics. There have been 67 cases in people r