14th September 2020

A 3-year-old child presents to the GP with increasing fatigue

A 3-year-old child presents to the GP with increasing fatigue. He looks pale but has no pain, fever or jaundice. His sister had a rash recently, but the parents are not sure what caused it. His Hb is 8.2g/dl (normal range: 9.5-14g/dl) his reticulocytes are 0.3% (normal range: 0.5-1.5%), his WCC is 1.2 (normal range 5-10X10^9) and platelets 102 (normal range 150-400×10^9/L)

For the patient above, please select the SINGLE most likely diagnosis. Select ONE option from the list above.