Rubella reinfection.
D005189:False Positive Reactions; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D007231:Infant, Newborn; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000276:immunology*; D012008:Recurrence; D012409:Rubella / Q000151:congenital / Q000276:immunology*; D014461:Ultracentrifugation
D007075:Immunoglobulin M