(B) Virus is what the nurse is examining for the role of an agent in the cause of an illness.
The capacity of an agent to produce disease, as well as the kind and severity of the disease, are used to define the agent. Bacteria, parasites, fungus, viruses, and bacteria are the four main types of agents. A host factor is host resiliency.
The potential or the capacity for an infected host to spread the virus to other hosts is measured by its infectiousness. Environmental variables, such as an insect bite, make it a lot easier for an infectious agent to spread from one vulnerable host to another.
Here's another question with an answer similar to this about virus: https://brainly.com/question/1427968
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Question correction:
A nurse is investigating the role of the agent in the cause of an illness. Which of the following best describes what the nurse is examining?
a. Host resilience
b. Virus
c. Infectiousness
d. Bug bite
