**The [[Immunoglobulins - WikiBlood|antibodies]] are used in combination with [[Adaptive Immune System - WikiBlood#Antigen Recognition|antigen]] (and often an [[Vaccines - WikiBlood#Adjuvants|adjuvant]]) which is injected into the host animal | **The [[Immunoglobulins - WikiBlood|antibodies]] are used in combination with [[Adaptive Immune System - WikiBlood#Antigen Recognition|antigen]] (and often an [[Vaccines - WikiBlood#Adjuvants|adjuvant]]) which is injected into the host animal |