Connect With Learnsmart Labs Online Access For Prescott's Microbiology
11th Edition
ISBN: 9781260408997
Author: Joanne Willey
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 36, Problem 4AL
How can changes in herd immunity contribute to an outbreak of a disease on an island?
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Which of the following best explains why vaccination of humans against rabies can be delayed until after exposure to a potential source of infection?
A) Antibody responses are more rapid than those against other viruses
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D) The virus does not reach i target organ for several weeks or months
Chapter 36 Solutions
Connect With Learnsmart Labs Online Access For Prescott's Microbiology
Ch. 36.2 - How might biased data collection impact the public...Ch. 36.2 - Prob. 1CCCh. 36.2 - Prob. 2CCCh. 36.2 - Prob. 3CCCh. 36.2 - Prob. 4CCCh. 36.2 - Prob. 5CCCh. 36.3 - Prob. 1MICh. 36.3 - Prob. 2MICh. 36.3 - Prob. 1CCCh. 36.3 - Prob. 2CC
Ch. 36.3 - Prob. 3CCCh. 36.3 - Prob. 4CCCh. 36.4 - Prob. 1CCCh. 36.4 - What are some of the factors in your community...Ch. 36.4 - Prob. 3CCCh. 36.5 - Describe a health-careassociated infection, and...Ch. 36.5 - Prob. 2CCCh. 36.5 - Prob. 3CCCh. 36.7 - Prob. 1CCCh. 36.7 - Prob. 2CCCh. 36.7 - Prob. 3CCCh. 36.7 - What is the Public Health Security and...Ch. 36 - Prob. 1RCCh. 36 - Prob. 2RCCh. 36 - Prob. 3RCCh. 36 - Prob. 4RCCh. 36 - Why is international cooperation a necessity in...Ch. 36 - What common sources of infectious disease are...Ch. 36 - Prob. 3ALCh. 36 - How can changes in herd immunity contribute to an...Ch. 36 - College dormitories are notorious for outbreaks of...Ch. 36 - Prob. 6ALCh. 36 - Prob. 7ALCh. 36 - Prob. 8AL
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- Which statistic below is the best example of incidence of a disease? A) In 2005, 2 million people died from HIV B) A total of 40 million people have died from HIV infection C) In 2005, 4 million people acquired HIV D) A total of 65 million people have gotten HIV E) 25 million people currently suffer from HIV infectionarrow_forwardThe measles virus has a basic reproduction number (R0) of 15. To achieve herd immunity, what percentage of the population needs to be vaccinated? 90% 96% 94% 99%arrow_forwardwhat is the difference in lifespan of an endemic and a pandemicarrow_forward
- What is major difference between an endemic disease and an epidemic?arrow_forwardEven though the oral polio vaccine is not used in the developed world, it is still widely used in the developing world, in part because it confers what might be called “accidental” herd immunity. Can you speculate on what this is?arrow_forwardWhat are the potential long-term effects on disease transmission dynamics when a new host species is introduced to an ecosystem?arrow_forward
- what are the similarities of a pandemic and an endemicarrow_forwardMeasles is caused by an extremely infectious virus. Use the herd immunity equation to calculate the proportion of the population that needs to be immune in order to effectively halt the spread of measles via herd immunity. The Ro of the measles virus is 18 and the vaccine is 97% effective. Enter your answer as a decimal, not as a percentage. Round to the nearest 4 decimal places (example: 0.3568). It is recommended you do not round between calculation steps.arrow_forwardName the most important control measure for preventing person-to-person transmission of a disease.arrow_forward
- Can you answer the question in bold? Thanks. The small population of wolves on Isle Royale has been harmed by a lack of genetic diversity, plus the accidental introduction of canine parvovirus. In another part of the country, ecologists are also working to protect a larger population of wolves that live in a national park. Compared to the small, isolated population on Isle Royale, in the national park diseases like parvovirus are (less or more?) likely to be a problem, and lack of genetic diversity is (less or more?) likely to be a problem for the wolves.arrow_forwardGive explanation select all the statements that pertain to the principal of herd immunity 1) immune individuals will not have the corresponding communicable disease 2)mass immunization confers indirect protection of nonimmunized members 3)encounter with a pathogen is more likely in a largely immunized population 4)herd immunity is only maintained through the occurrence of natural disease 5)low herd immunity means there are greater numbers of susceptible individualsarrow_forwardWhy is creating a vaccine to SARS CoV2 challenging? What is herd immunity and how can a vaccine help us to achieve it?arrow_forward
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