Decreased reactivity of SSPE strains of measles virus with antibody.
D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D006462:Hemolytic Plaque Technique; D006801:Humans; D008457:Measles / Q000382:microbiology; D008459:Measles virus / Q000302:isolation & purification; D009500:Neutralization Tests; D013344:Subacute Sclerosing Panencephalitis / Q000382:microbiology*