- Although its etiology is not clear, it is suggested that the abnormal immunity might play an important role in the development of AA.
- Inflammatory bowel disease(IBD)is a chronic inflammation of intestinal tract,which is characterized by abnormal immune reaction.
- All these hint that not only the qualitative alteration to carcinosis of the stem cell is related to the malignant haematopoiesis but also the abnormal immune system.
- The weather is abnormal this year.
- This vaccine will give you immunity for two years.