How the outbreak of an intestinal parasite in the U.S. unfolded

https://i.cbc.ca/ais/a9caabff-fd49-4a5f-8924-447d2a670139,1784584038442/full/max/0/default.jpg?im=Crop%2Crect%3D%2884%2C449%2C5854%2C3292%29%3BResize%3D%28620%29" title="Iceberg lettuce in bowl on display in Salad Days restaurant." width="620" />

More than 30 American states have reported illnesses related to Cyclospora, an intestinal parasite that contaminates food that has come into contact with human feces.

Here's how the investigation into the outbreak of cyclosporiasis unfolded.