On day 7, he was diagnosed with incomplete Kawasaki disease according to the clinical statements and guidelines of the American Heart Association,3 which met 2 of the 6 Kawasaki disease criteria (erythema and oedema of the hands and feet in acute phase, cervical lymphadenopathy) and 4 laboratory findings (anaemia for age, platelet count of ≥450 × 109/L after the seventh day of fever, elevated ALT level and WBC count of ≥15.0 × 109/L). This evidence concerns the gene GPT and Kawasaki disease.