*Short duration of action; temporary protection is obtained by the administration of preformed [[Immunoglobulins|antibody]] from another individual of the same or of a different species. The acquired [[Immunoglobulins|antibodies]] are used in combination with [[Adaptive Immune System - Overview#Antigen Recognition|antigen]], and catabolised by the body, meaning protection is gradually lost over time
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*Short duration of action; temporary protection is obtained by the administration of preformed [[Immunoglobulins - Overview|antibody]] from another individual of the same or of a different species. The acquired antibodies are used in combination with [[Adaptive Immune System - Overview#Antigen Recognition|antigen]], and catabolised by the body, meaning protection is gradually lost over time
*Injection of antiserum may cause an [[Adverse Drug Reactions|allergic response]]
*Injection of antiserum may cause an [[Adverse Drug Reactions|allergic response]]
*Antiserum contains many [[Immunoglobulins|antibodies]], not just the specific [[Immunoglobulins|antibodies]] needed
*Antiserum contains many [[Immunoglobulins|antibodies]], not just the specific [[Immunoglobulins|antibodies]] needed