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*Dissemination (extracellular): as they leave the host cell and migrate to those surrounding
 
*Dissemination (extracellular): as they leave the host cell and migrate to those surrounding
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==Prevention and control==
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==Immunity to Viruses==
 
*Viral evasion of immunity
 
*Viral evasion of immunity
 
**Latency: Viruses can "hide" in host cells until the immune system is suppressed
 
**Latency: Viruses can "hide" in host cells until the immune system is suppressed
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***'''Cytotoxic (CD8+) T cells''' target infected cells, which present any number of danger signals
 
***'''Cytotoxic (CD8+) T cells''' target infected cells, which present any number of danger signals
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==Prevention and control==
 
*[[Vaccines - WikiBlood|Vaccines]]
 
*[[Vaccines - WikiBlood|Vaccines]]
 
Antibiotics cannot treat viral infection.  While anti-viral therapies do exist, they are costly and often ineffective.  The alternatives, therefore, include '''vaccination''' (priming the immune response to create memory lymphocytes for a particular virus) or '''eradication'''.
 
Antibiotics cannot treat viral infection.  While anti-viral therapies do exist, they are costly and often ineffective.  The alternatives, therefore, include '''vaccination''' (priming the immune response to create memory lymphocytes for a particular virus) or '''eradication'''.
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