Typhoid Mary Mallon Summary

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The talk delineates the life of Mary Mallon, widely held responsible for the transmission of typhoid. It was by unknowingly contracting typhoid that this flamboyant cook, who had migrated to the united states from Mexico in the 19th century, not only spread this deadly disease but also earned a nickname for herself: ‘Typhoid Mary’. Hence, the impact of her life in spreading typhoid in the USA was far-reaching indeed. 2. sound receptors The talk delineates the mechanism of sound receptors in human’s ear. Accord-ing to the speaker. It is by translating vibrational energy coming from the ear through the ear fluid that these flappy organs convert physical motion into electrical motion and electrical signals. Hence, the role of sound receptors