Parvovirus infection, leukaemia, and immunodeficiency.
D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000382:microbiology*; D007223:Infant; D008297:Male; D010198:Pancytopenia / Q000382:microbiology*; D010321:Parvoviridae / Q000276:immunology; D010322:Parvoviridae Infections / Q000150:complications*; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000150:complications*; D012307:Risk Factors