so far , screening of these ig subpopulations for reaction with several viruses ( measles , parainfluenza type 1 , influenza type a , cytomegalovirus , herpes simplex virus , rubella virus , poliovirus , murine encephalomyelitis viruses , and reovirus ) and myelin basic protein has failed to reveal their antigen specificities .
C0042776
viruses
C0206435
poliovirus