The patient was initially diagnosed with incomplete Kawasaki disease, this diagnosis was supported by the presence of high and prolonged fever (over a week), strawberry tongue, angular cheilitis, perineal erythema, BCG vaccination site erythema and induration, anemia, leukocytosis and sterile pyuria, with elevated inflammatory markers such as C reactive protein and pro-brain natriuretic peptide. The gene discussed is CRP; the disease is anemia (phenotype).