Clark and Champaign County health experts are investigating an outbreak of Cryptosporidiosis linked to dairy calves.
Three cases have been confirmed, nine cases are probable and 10 cases are suspected in both Clark and Champaign counties. The Champaign Health District, the Clark County Combined Health District and the Ohio State University Extension Office are working together on the investigation.
Cryptosporidiosis is an infection with the microscopic parasite, Cryptosporidium, which is found in soil, food, water or surfaces that have been contaminated with feces from infected humans or animals.
Symptoms include stomach cramps or pain, dehydration, nausea, vomiting, fever and weight loss, according to the health district.