Question: What is this disease related to abnormality in the oxygen-carrying protein haemoglobin that Chukwuedu Nwokolo is carrying out research on?
Sentence (from "Chukwuedu Nwokolo"): Nwokolo was outstandingly recognised worldwide for discovering and mapping out the area of paragonimiasis lung disease in Eastern Nigeria, with a study of the disease in Africa and clinical research for its control.
Relevant evidence: No