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===Overview===
 
===Overview===
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*Systemic infections - controlled by live monotypic vaccination
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*Systemic infections - controlled by '''live monotypic vaccination'''
*Respiratory infections - not controled by live monotypic vaccinations
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*Respiratory infections - ''not'' controled by '''live monotypic vaccinations'''
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===Classification===
 
===Classification===
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===Virus properties===
 
===Virus properties===
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====Structure====
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*Negative sense '''RNA''', unsegmented, single stranded
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**-> '''Reasortment''' and '''antigenic shift''' cannot occur
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*'''HN spike''' contains:
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**'''Haemagglutinin (H)'''- attachment protein
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**'''Neuraminidase (N)'''
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*'''Fusion''' glycoprotein (F) spike
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**-> Viral lipid bilayer can fuse directly with host plasma membrane
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***-> RNA released into cytoplasm
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**->Syncytium (multinucleated giant cells) in lesions and cell culture
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**Host antibody response to this protein is most important
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***Best induced by '''live attenuated vaccines'''
     
Author, Donkey, Bureaucrats, Administrators
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