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Questions and Answers
Which statement best describes the distinction between emerging and re-emerging infectious diseases?
Which statement best describes the distinction between emerging and re-emerging infectious diseases?
- Re-emerging diseases have never been part of the human population.
- Emerging diseases are always caused by novel pathogens.
- Re-emerging diseases typically have lower incidence rates compared to emerging diseases.
- Emerging diseases are new or rapidly increasing infections, while re-emerging diseases are those with previous occurrences that have increased. (correct)
What characterizes an emerging infectious disease?
What characterizes an emerging infectious disease?
- It appears for the first time or increases rapidly in incidence or range. (correct)
- It is solely linked to zoonotic transmission.
- It is endemic to a specific region and has not changed in incidence.
- It must have been present in multiple geographic locations before its recognition.
Why might a disease be classified as re-emerging?
Why might a disease be classified as re-emerging?
- It shows a significant increase in incidence or geographic distribution after a period of decline. (correct)
- It has never caused outbreaks before.
- It is eliminated from all human populations.
- It can consistently be controlled by vaccines.
Which of the following is NOT true regarding emerging infectious diseases?
Which of the following is NOT true regarding emerging infectious diseases?
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How does the geographic range of an emerging infectious disease typically change?
How does the geographic range of an emerging infectious disease typically change?
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Study Notes
Emerging Infectious Diseases
- An emerging disease refers to infections that are newly appearing in a population or have been present but are significantly increasing in incidence or geographic spread.
Emerging and Re-emerging Diseases
- Emerging infectious diseases: These are newly identified diseases or infections that were previously unknown to the medical community.
- Re-emerging infectious diseases: These are diseases that have previously been identified but are now reappearing or increasing in prevalence, often due to factors like changes in public health measures or pathogen evolution.
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