Section 5
Surviving Within the Host and Exiting the Host
Book
Version 6
By Boundless
By Boundless
Boundless Microbiology
Microbiology
by Boundless
4 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/11063/square/prusiner-1.jpeg)
Intracellular Pathogens
A pathogen or infectious agent is a microorganism such as a virus, bacterium, prion, or fungus that causes disease in its host.
![Thumbnail](../../../../../../figures.boundless-cdn.com/10778/square/lococcus-aureus-biofilm-01.jpeg)
Extracellular Immune Avoidance
A pathogen's success depends on its ability to evade the host's immune responses.
![Thumbnail](../../../../../../figures.boundless-cdn.com/16215/square/tb-culture.jpeg)
Regulating Virulence
Virulence regulation is a combination of the specific traits of the pathogen and the evolutionary pressures that lead to virulent traits.
![Thumbnail](../../../../../../figures.boundless-cdn.com/11060/square/sneeze.jpeg)
Portals of Exit
Pathogens must have a way to be transmitted from one host to another to ensure their species' survival.