The person known to history as "Typhoid Mary" never had typhoid fever but was identified by public health officials as a source of Salmonella enterica Typhi. Which of the following is the most accurate description of her in this scenario?

Question

Quizplus · Accepted Answer

Typhoid Mary was both a human carrier and a reservoir of Salmonella enterica Typhi. As a human carrier, she carried the bacteria without showing symptoms or getting sick. As a reservoir, she was a source of the bacteria that could infect other people.

The Person Known to History as "Typhoid Mary" Never Had