antiserum

plural antiserums · plural antisera

1. countableuncountablemedicineA serum prepared from human or animal sources containing antibodies able to counter certain diseases or toxins.

   The polyclonal antibodies that Protherics had developed were based on the long established process for making antiserum by raising and extracting antibodies from animals exposed to antigens, rather than through monoclonal antibody technology; […]

   2016, Geoffrey Owen, Michael M. Hopkins, “Investors Retreat”, in Science, the State, and the City: Britain’s Struggle to Succeed in Biotechnology, Oxford University Press, →ISBN, page 97