Mary Mallon was a carrier for ________(disease). This disease is caused by a ___________. a. Typhoid, bacteria b. Typhoid, virus c. Diphtheria, protozoa d. Diphtheria, bacteria
Option A She gained notoriety (as evidenced by this newspaper article) by being the first person in the United States identified as an asymptomatic carrier of the pathogen that causes typhoid fever.
