Cyclospora lettuce outbreak now tied to 20 states The Washington PostLettuce-linked parasite confirmed in 3 new states. See outbreak map USA TodayHow Taylor Farms became integral to America’s food supply system CNBCCyclospora Case Data | Cyclosporiasis Centers for Disease Control and Prevention | CDC (.gov)Cyclospora outbreak linked to recalled iceberg lettuce tied to 3 more states, FDA says CBS News