D Question 4 1 pts A New Mexico couple vacationing in New York City fell ill wit
ID: 274833 • Letter: D
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D Question 4 1 pts A New Mexico couple vacationing in New York City fell ill with flulike symptoms and were later admitted to the hospital with a high fever. The wife developed a bubo (severely swollen lymph node) on her thigh, leading doctors to suspect bubonic plague, or Black Death, which killed nearly one- third of all Europeans during the 14th Century. This disease had not been seen in New York City in over 100 years. Tests confirmed that the couple was infected with Yersinia pestis, the causative bacterium of the plague. The couple was given antibiotics. The wife recovered quickly but the husband worsened, eventually losing both feet. He was hospitalized for three months. Public Health officials determined that couple likely contracted the disease from infected fleas encountered near their rural property in New Mexico. Using the Public Health Triad model which is the Agent? O the bacterium, Yersinia pestis , the couple O the fleas O New York City 1 pts DQuestion 5 t that a particular hazard may have on the health of a population, risk ce and the:Explanation / Answer
Answer - Option A- Yersinia pestis.
Yersinia pestis if the causative agent of plague. THis plague is the systemic invasive infectious disease. Here the couple gets infected with the bacteiurm and hence they are the victims and not the agents. Though the couple developed symptoms when they were vacationing in New Yorck city, they might carried infection from New Mexico. New York city is therefore not the causative agent. Fleas act as vector for Yersinia pestis and fleabite may lead to the tranmission of disease. Thus, flea is a vector and not an agent.
Causative agent is defined as the organism which causes the disease. Thus, here the bacterium Yersinia pestis is the causative agent.
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