<unk>  is a liquid form of antibodies which is used to kill the pathogenic organisms present inside the body.<unk>  is a blood serum containing monoclonal or polyclonal antibodies that is used to spread passive immunity to many diseases via blood donation (plasmapheresis). For example, convalescent serum, passive antibody transfusion from a previous human survivor, used to be the only known effective treatment for ebola infection with a high success rate of 7 out of 8 patients surviving. Antisera are widely used in diagnostic virology laboratories. The most common use of<unk>  in humans is as antitoxin or antivenom to treat envenomation. Serum therapy, also known as serotherapy, describes the treatment of infectious disease using the serum of animals that have been immunized against the specific organisms or their product, to which the disease is supposedly referable.
Antiserum
Antigen
Antibody
Microantibody
Polyclonal antibodies
Direct fluorescent antibody
Antireticular cytotoxic serum
Donor-specific antibody