A Monmouthshire farm is being investigated after a number of visitors tested positive for a microscopic parasite that causes a diarrheal disease.
Public Health Wales, Torfaen County Borough Council and Monmouthshire County Council are investigating an outbreak of cryptosporidium at Coleg Gwent’s farm in Usk .
Three people have tested positive for cryptosporidium and eight others are under investigation after a regular attendance at the farm
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