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− | ===Introduction=== | + | <big><center>[[Immunology - WikiBlood|'''BACK TO IMMUNOLOGY''']]</center></big> |
| + | ---- |
| + | ===[[Viruses - WikiBlood|Viruses]]=== |
| + | ---- |
| + | ======Structure====== |
| + | *Replication |
| + | *Routes of infection |
| + | *Prevention and control |
| + | **[[Vaccines - WikiBlood|Vaccines]] |
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− | One of the main causes of disease is infection by microorganisms, with four types so far identified:
| + | ===[[Bacteria - WikiBlood|Bacteria]]=== |
− | *[[Viruses]]
| + | ---- |
− | *[[Bacteria]]
| + | =====Structure===== |
− | *[[Fungi]]
| + | =====Replication===== |
− | *[[Parasites]]- comprising [[protozoa]] and [[helminths]]
| + | =====Routes of infection===== |
| + | =====Prevention and control===== |
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− | 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 />
| + | ===[[Parasites - WikiBlood|Parasites]]=== |
− | <br />
| + | ---- |
− | All exist as either:
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− | *Primary pathogens ('''obligate'''): presence always corresponds with disease
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− | *Secondary ('''opportunistic'''): prerequisites must be fulfilled before disease occurs
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− | Microorganisms can enter the body by three routes:
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− | *'''Contact''': typically seen in dermatological infections
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− | *'''Aerosol''': typically respiratory infections
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− | *'''Orofecal''':typically enteric infections
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− | {{Learning
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− | |flashcards = [[Host Invasion by Microorganisms Flashcards|Host Invasion Flashcards]]
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− | }}
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− | ===References===
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− | *<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>
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− | *http://www.cellsalive.com
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− | {{review}}
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− | <br><br>
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− | {{Jim Bee 2007}}
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− | [[Category:Immunology]]
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