Asymptomatic carrier: Difference between revisions
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[[Mary Mallon]], known as "Typhoid Mary", was an asymptomatic carrier of [[typhoid fever]]. She worked as a cook for several families in New York City at the beginning of the twentieth century. Several cases of typhoid fever in members of those families were traced to her by the Health Department. It appeared that she "carried" the infectious agent without becoming sick. There was at the time no way of eradicating the disease, and an attempt was made to restrict her from continuing to work as a cook to avoid spreading it to others. |
[[Mary Mallon]], known as "Typhoid Mary", was an asymptomatic carrier of [[typhoid fever]]. She worked as a cook for several families in New York City at the beginning of the twentieth century. Several cases of typhoid fever in members of those families were traced to her by the Health Department. It appeared that she "carried" the infectious agent without becoming sick. There was at the time no way of eradicating the disease, and an attempt was made to restrict her from continuing to work as a cook to avoid spreading it to others. |
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It is also believed that [[Edgar Allan Poe]] was a carrier of [[ |
It is also believed that [[Edgar Allan Poe]] was a carrier of [[Tuberculosis]], because most of his family died of the disease, though he exhibited no symptoms himself.{{cn|date=June 2009}} |
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Revision as of 10:58, 6 July 2009
An asymptomatic carrier (healthy carrier or just carrier) is a person or other organism that has contracted an infectious disease, but who displays no symptoms. Although unaffected by the disease themselves, carriers can transmit it to others. A number of animal species can also act as carriers of human disease.
In humans, the HIV virus goes through a long latency period, during which the host is asymptomatic. Many carriers are infected with persistent viruses such as EBV and Cytomegalovirus that only rarely progress to a disease state.
Mary Mallon, known as "Typhoid Mary", was an asymptomatic carrier of typhoid fever. She worked as a cook for several families in New York City at the beginning of the twentieth century. Several cases of typhoid fever in members of those families were traced to her by the Health Department. It appeared that she "carried" the infectious agent without becoming sick. There was at the time no way of eradicating the disease, and an attempt was made to restrict her from continuing to work as a cook to avoid spreading it to others.
It is also believed that Edgar Allan Poe was a carrier of Tuberculosis, because most of his family died of the disease, though he exhibited no symptoms himself.[citation needed]
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