Reservoir.
The chain of infection begins when a biological agent thrives within a reservoir, which can be a human, animal, or environment. This reservoir provides a place for the agent to multiply and potentially infect a susceptible host.
The term pathogen is a general term that is applied to an infectious agent, or germ. The infectious agent itself could be a bacteria or a virus that is harmful to a body. The virus is a type of pathogen.
The chain of infection begins when a biological agent thrives within a reservoir. The agent leaves the reservoir through the portal of exit.
True
True
True
yes
A word used to describe "Infectious Agent" could be: Scary. Here is an example of it in a sentence: The scary, infectious agent stole my money.
Treponema Pallidum
It is clear that Creutzfeldt-Jakob disease is caused by an infectious agent, but it is not yet clear what type of agent that is.
pathogenAn agent of infection is a pathogen.
A viroid is an infectious agent that consists of a small strand of RNA and that causes disease in plants.