Acute acquired haemolytic anaemia associated with polyagglutination.
D000208:Acute Disease; D000743:Anemia, Hemolytic / Q000209:etiology*; D001996:Bronchopneumonia / Q000150:complications; D004314:Down Syndrome; D004912:Erythrocytes / Q000276:immunology; D006384:Hemagglutination; D006801:Humans; D007223:Infant; D008297:Male