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lthough Lilly’'s project was focused on understanding the prevalence of resistance strains of M. berculosis in indigenous populations, she also knew that many patients infected with TB do not ave an active disease, ie that the bacteria is latent in the infected lungs. M. tuberculosis is ansmitted indirectly via air droplets that are inhaled in the large and small airways. In fact, though 30% of individuals exposed to the bacteria will develop an infection, only 5-10% will evelop clinical manifestations. This means 20-25% of people exposed to the bacteria will have a tent disease. Although people with latent disease are not infectious and will not transmit the isease to other community members, latent disease is difficult to diagnose. This was really laying on Lilly’s mind, thinking about the difficulty of controlling the spread of the bacteria when ost infected people were asymptomatic for years and then suddenly developed active disease, hich could then spread for weeks before a diagnosis could be made. Practice Question #13 p. 225 a this case, would you say the infected patients with no clinical manifestations are the disease ectors, the reservoir or both? Justify your answer.

lthough Lilly’'s project was focused on understanding the prevalence of resistance strains of M. berculosis in indigenous populations, she also knew that many patients infected with TB do not ave an active disease, ie that the bacteria is latent in the infected lungs. M. tuberculosis is ansmitted indirectly via air droplets that are inhaled in the large and small airways. In fact, though 30% of individuals exposed to the bacteria will develop an infection, only 5-10% will evelop clinical manifestations. This means 20-25% of people exposed to the bacteria will have a tent disease. Although people with latent disease are not infectious and will not transmit the isease to other community members, latent disease is difficult to diagnose. This was really laying on Lilly’s mind, thinking about the difficulty of controlling the spread of the bacteria when ost infected people were asymptomatic for years and then suddenly developed active disease, hich could then spread for weeks before a diagnosis could be made. Practice Question #13 p. 225 a this case, would you say the infected patients with no clinical manifestations are the disease ectors, the reservoir or both? Justify your answer.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Although Lilly's project was focused on understanding the prevalence of resistance strains of M. tuberculosis in indigenous populations, she also knew that many patients infected with TB do not have an active disease, ie that the bacteria is latent in the infected lungs. M. tuberculosis is transmitted indirectly via air droplets that are inhaled in the large and small airways. In fact, although 30% of individuals exposed to the bacteria will develop an infection, only 5-10% will develop clinical manifestations. This means 20-25% of people exposed to the bacteria will have a latent disease. Although people with latent disease are not infectious and will not transmit the disease to other community members, latent disease is difficult to diagnose. This was really playing on Lilly's mind, thinking about the difficulty of controlling the spread of the bacteria when most infected people were asymptomatic for years and then suddenly developed active disease, which could then spread for weeks before a diagnosis could be made. Practice Question #13 p. 225 In this case, would you say the infected patients with no clinical manifestations are the disease vectors, the reservoir or both? Justify your answer.
Transcribed Image Text:Although Lilly's project was focused on understanding the prevalence of resistance strains of M. tuberculosis in indigenous populations, she also knew that many patients infected with TB do not have an active disease, ie that the bacteria is latent in the infected lungs. M. tuberculosis is transmitted indirectly via air droplets that are inhaled in the large and small airways. In fact, although 30% of individuals exposed to the bacteria will develop an infection, only 5-10% will develop clinical manifestations. This means 20-25% of people exposed to the bacteria will have a latent disease. Although people with latent disease are not infectious and will not transmit the disease to other community members, latent disease is difficult to diagnose. This was really playing on Lilly's mind, thinking about the difficulty of controlling the spread of the bacteria when most infected people were asymptomatic for years and then suddenly developed active disease, which could then spread for weeks before a diagnosis could be made. Practice Question #13 p. 225 In this case, would you say the infected patients with no clinical manifestations are the disease vectors, the reservoir or both? Justify your answer.
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