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*Adjuvants decrease the number of injection needed and the amount of [[Adaptive Immune System - WikiBlood#Antigen Recognition|antigen]] administered
 
*Adjuvants decrease the number of injection needed and the amount of [[Adaptive Immune System - WikiBlood#Antigen Recognition|antigen]] administered
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===Marker Vaccines===
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*Distinguish infected from vaccinated animals
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*Have a deleted protein or gene
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*Vaccinated animals cannot make antibody to the missing protein whereas infected animals can
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*Helps immunosurveillance for animals infected by a virus in countries that vaccinate against the virus
    
==Which type of vaccine is used for each disease?==
 
==Which type of vaccine is used for each disease?==
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