Michigan alone has confirmed more than 2,000 cases. It's still unclear what has caused the spike in illness.

Explosive diarrhea parasite cyclosporiasis is causing possible outbreaks in half of US states. See a map of the rising rates ...

The illness is caused by the microscopic parasite Cyclospora cayetanensis, which spreads via food or water contaminated with ...

Health officials in Michigan are investigating a sudden and large increase in cases of cyclosporiasis, a parasitic illness ...

A parasite that causes bouts of “explosive diarrhea” has surfaced in California as a fast-growing outbreak sweeps across the ...

Taco Bell is taking these ingredients off the menu amid ‘explosive diarrhea’ parasite outbreak - The menu changes come as ...

Summer is peak season for beach trips, barbecues and — unfortunately — a microscopic stomach parasite that causes explosive ...

On the last Thursday of June, Cristy Cooper sat down on the toilet and immediately realized something was terribly wrong.

“I would not wish that on my worst enemy,” a woman who recently recovered from cyclosporiasis said.

Health officials have yet to find the source of a parasitic illness hitting more than a dozen states that is causing severe ...

Two parasitic viruses are spreading across the country. Cyclosporiasis and cryptosporidium have been reported across the U.S.