Rubella vaccine (HPV-77 DE5 strain) fails to sustain antibody titres.
D000367:Age Factors; D000914:Antibodies, Viral / Q000302:isolation & purification*; D000917:Antibody Formation; D006801:Humans; D007223:Infant; D012409:Rubella / Q000276:immunology*; D012411:Rubella Vaccine / Q000627:therapeutic use*
D000914:Antibodies, Viral; D012411:Rubella Vaccine