A 4-year-old child presented to the emergency department with fever, painful red hands, and feet. Examination: FBC: Hb 6.5 g/dL (Normal range in children 11โ€“14 g/dL) Mean corpuscular volume (MCV): 100 fL (Normal range in children 76โ€“88 fL) What is the most likely diagnosis for this child?

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