antiserum

n. serum containing antibodies

Antiserum (plural: antisera) is blood serum containing antibodies. Antiserum is used to pass on passive immunity to many diseases. Passive antibody transfusion from a previous human survivor is the only effective treatment for Ebola infection.
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Antiserum /an·ti·se·rum/ a serum containing antibody, obtained from an animal immunized either by injection of antigen or by infection with [more]Antiserum - Community and Resources

Noun
1. blood serum containing antibodies against specific antigens; provides immunity to a disease
(hypernym) serum, blood serum

n. antiserum, serum containing antibodies