Clinical immunology is the study of diseases caused by disorders of the immune system (failure, aberrant action, and malignant growth of the cellular elements of the system). It also involves diseases of other systems, where immune reactions play a part in the pathology and clinical features.
What are three problems of the immune system studied by clinical immunology?
{'text': 'failure, aberrant action, and malignant growth', 'answer_start': 87}