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Host invasion by microorganisms (view source)
Revision as of 11:26, 21 August 2008
, 11:26, 21 August 2008→Replication
==Replication==
==Replication==
[[Image:Viral replication.jpg|thumb|right|150px|Viral Replication - B. Catchpole, RVC 2008]]
[[Image:Viral replication.jpg|thumb|right|150px|Viral Replication - B. Catchpole, RVC 2008]]
Viral lifespans have three distinct phases:
*Infectious (extracellular): as they seek out a host target
*Replicative (intracellular): as they overtake the host cell's utilities to multiply
*Dissemination (extracellular): as they leave the host cell and migrate to those surrounding
==Routes of infection==
==Routes of infection==