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Host invasion by microorganisms (view source)
Revision as of 10:24, 22 August 2008
, 10:24, 22 August 2008→Prevention and control
*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
==Prevention and control==
==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
***'''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
==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'''.