Michigan's outbreak of cyclosporiasis, a disease marked by severe diarrhea, intensified Tuesday, with 3,300 cases identified and 44 people hospitalized. On Tuesday, Taco Bell told CBS News that it has "voluntarily and temporarily removed limited ingredients at select restaurants as a precautionary measure." CBS 뉴스 의료 특파원인 Celine Gounder 박사는 확산의 원인이 될 수 있는 원인에 대해 보도합니다.