Difference between revisions of "Host invasion by microorganisms"

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===Introduction===
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<big><big><center>[[WikiBlood|'''BACK TO WikiBlood''']]</center></big></big>
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<br>
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<big><center>[[Immunology - WikiBlood|'''BACK TO IMMUNOLOGY''']]</center></big>
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----
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===[[Viruses - WikiBlood|Viruses]]===
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----
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=====Structure=====
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=====Replication=====
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=====Routes of infection=====
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=====Prevention and control=====
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*[[Vaccines - WikiBlood|Vaccines]]
  
One of the main causes of disease is infection by microorganisms, with four types so far identified:
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===[[Bacteria - WikiBlood|Bacteria]]===
*[[Viruses]]
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*[[Bacteria]]
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=====Structure=====
*[[Fungi]]
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=====Replication=====
*[[Parasites]]- comprising [[protozoa]] and [[helminths]]
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=====Routes of infection=====
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=====Prevention and control=====
  
A fifth controversial type are Pirons, which are infectious proteins that are believed to be the cause of bovine spongiform encephalopathy (BSE) and the human variant  Creutzfeldt–Jakob disease (vCJD).<br />
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===[[Parasites - WikiBlood|Parasites]]===
<br />
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All exist as either:
 
*Primary pathogens ('''obligate'''): presence always corresponds with disease
 
*Secondary ('''opportunistic'''): prerequisites must be fulfilled before disease occurs
 
 
 
Microorganisms can enter the body by three routes:
 
*'''Contact''': typically seen in dermatological infections
 
*'''Aerosol''': typically respiratory infections
 
*'''Orofecal''':typically enteric infections
 
 
 
{{Learning
 
|flashcards = [[Host Invasion by Microorganisms Flashcards|Host Invasion Flashcards]]
 
}}
 
 
 
===References===
 
*<div id="Janeway">{{citation|initiallast = Murphy|initialfirst = K|2last = Travers|2first = P|finallast = Walport|finalfirst = M|year = 2008|title = Janeway's Immunobiology|ed = 7th |city = New York|pub = Garland Science Publishing}}</div>
 
 
 
*http://www.cellsalive.com
 
 
 
 
 
{{review}}
 
<br><br>
 
{{Jim Bee 2007}}
 
[[Category:Immunology]]
 

Revision as of 17:24, 18 August 2008