In many viral diseases such as smallpox, and mumps, illness occurs shortly after exposure to the virus. In others such as, AIDS, the victim may not show any symptoms for many years. How would you explain the difference between the two situations>

In many viral diseases such as smallpox, and mumps, illness occurs shortly after exposure to the virus. In others such as, AIDS, the victim may not show any symptoms for many years. How would you explain the difference between the two situations>

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter12: Body Defenses

Section: Chapter Questions

Problem 2TAHL

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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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