Influenza and smallpox are diseases caused by different types of viruses. Scientists must produce a new influenza vaccine each year, whereas the smallpox vaccine eradicated the disease. Explain these results from an evolutionary perspective.

Influenza and smallpox are diseases caused by different types of viruses. Scientists must produce a new influenza vaccine each year, whereas the smallpox vaccine eradicated the disease. Explain these results from an evolutionary perspective.

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter24: Viruses And Subviral Agents

Section: Chapter Questions

Problem 10TYU: Arrange the following list into the correct sequence for part of the cycle of a retrovirus: 1. dsDNA...

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Concept explainers

Viral Infections

Viruses are abundantly found, minute entities that have genetic material enclosed within a protein coat. The proteinaceous material enclosing the genetic material of the virus is called a capsid. The genetic material could be either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid). A virus is too minute to be looked at with naked eyes and therefore visualized with the help of a microscope. They are acellular entities that require a host for processes, such as replication, transcription, translation and multiplication. Plants, animals, and bacteria act as host wherein the virus reproduce. Viruses cannot multiply outside the host's body and thus are considered nonliving outside the host body.

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Influenza and smallpox are diseases caused by different types of
viruses. Scientists must produce a new influenza vaccine each year,
whereas the smallpox vaccine eradicated the disease. Explain these
results from an evolutionary perspective.

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