You will hear a lecture. After listening to the lecture, in 10 seconds, please speak into the microphone and retell what you have just heard from the lecture in your own words. You will have 40 seconds to give your response.
In the lecture, the speaker talks about Mary Mallon who was the first carrier of typhoid without any symptoms in the United States. At the beginning of the lecture, the speaker says that she worked as a cook and infected fifty-one people and made three people died. Also, the speaker mentions that she died after she had been isolated for over three decades. According to the speaker, from the 1900s, she worked for 7 families and spread illness and caused people to be hospitalized. Lastly, the speaker indicates that she moved to Oyster Bay and brought the unusual disease there in 1906.
