COLUMBUS, Ohio (AP) — Public health officials in central Ohio have declared a community outbreak of a diarrheal disease caused by a parasite.

Columbus Public Health Spokesman Jose Rodriguez says at least 107 cases of cryptosporidiosis have been reported in Columbus, Franklin and Delaware counties this year, more than the previous three years combined. The outbreak is being linked to recreational water facilities in those counties.

Delaware County health officials recently said 19 people had contracted the disease after visiting Zoombezi Bay water park in July. That number has since grown.

The Centers for Disease Control and Prevention says cryptosporidiosis is caused by a microscopic parasite and is most commonly spread through water.

Symptoms include stomach pains, watery diarrhea and vomiting. Those sickened are encouraged to stay home and avoid pools and water parks.

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