Again, the virologist's dilemma.
D000328:Adult; D000917:Antibody Formation; D002648:Child; D004457:Echovirus Infections; D005921:Glomerulonephritis / Q000209:etiology* / Q000276:immunology*; D006801:Humans; D009393:Nephritis / Q000209:etiology; D014777:Virus Diseases