A fast-spreading parasitic outbreak has sparked a federal investigation into Taco Bell’s iceberg lettuce supply. More than 5,000 illnesses have been reported na

A fast-spreading parasitic outbreak has sparked a federal investigation into Taco Bell’s iceberg lettuce supply. More than 5,000 illnesses have been reported nationwide, while the CDC has officially confirmed about 1,600 cases across 34 states. Federal officials are reportedly tracing the outbreak t…