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Understanding Viral Emergence: Mutation, Transmission, and Disease Con
Chapter 19, Problem 2(choose chapter or problem)
Emerging viruses arise by
a. mutation of existing viruses.
b. the spread of existing viruses to new host species.
c. the spread of existing viruses more widely within their host species.
d. all of the above.
Questions & Answers
QUESTION:
Emerging viruses arise by
a. mutation of existing viruses.
b. the spread of existing viruses to new host species.
c. the spread of existing viruses more widely within their host species.
d. all of the above.
ANSWER:
Step 1 of 2
The emergence of new viruses can occur through various mechanisms.
a. Mutation of existing viruses: Viruses can undergo genetic mutations, which can lead to the emergence of new strains or variants. These mutations can result in changes to viral proteins, such as those involved in host recognition or immune evasion, potentially leading to altered virulence or the ability to infect new host species.
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Understanding Viral Emergence: Mutation, Transmission, and Disease Con
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Explore how viruses replicate and the various ways in which new viruses emerge. Understand the importance of mutation, cross-species transmission, and the significance of wider spread in host species for disease control strategies.