precipitating antibodies against transmissible gastroenteritis viral antigens were detected by the immunodiffusion test in two transmissible gastroenteritis viral hyperimmune antisera and in antiserum prepared against haemagglutinating encephalomyelitis virus but not in sera from several species of normal animals , in antisera prepared against a variety of othet viruses and bacteria or sera from swine with bacterial enteritis .
C0003241
antibodies
C0020960
antisera