New cases and related emergency department visits are declining, officials say.
Officials also said they anticipate cases of cyclosporiasis to continue increasing in the U.S., possibly through the end of August.
The CDC offers tips on preparing and storing fresh produce to help prevent cyclosporiasis when cooking at home.
Reported cases of cyclosporiasis, an intestinal illness caused by a parasite, have surpassed 2,600 in Michigan, the state's health department said on Monday.
Cases of the parasitic infection have been found in several states.
Cases of a parasitic infection are nearing 1,000 in Michigan, according to local health officials.