What is a pathogen?

Abstract:

:The question 'what is a pathogen?' derives from pathogen-centered views of microbial pathogenesis that invoke microbial characteristics to explain virulence. However, virulence cannot be an independent microbial variable since it is only expressed in a susceptible host. Hence, the question 'what is a pathogen?' cannot be separated from the question 'what is a host?' Given that virulence is an outcome of the host-microbe interaction that is not invariant from host to host, neither the pathogen or the host can be defined independently. To sidestep this paradox, one can focus on the outcome of the interaction using host damage as the common denominator to define and explain the various outcomes that can result from the host-microbe interaction. Using this concept a pathogen is defined as a microbe capable of causing host damage.

journal_name

Ann Med

journal_title

Annals of medicine

authors

Casadevall A,Pirofski LA

doi

10.1080/078538902317338580

subject

Has Abstract

pub_date

2002-01-01 00:00:00

pages

2-4

issue

1

eissn

0785-3890

issn

1365-2060

journal_volume

34

pub_type

社论
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