ocr: Resident and Staff Physician POTIZNT EOUCOTION Chart Eosinophil &e Basophil (White) Blood Cells Eosinophils: Basophils: 2-4% of 0.5-1% of white blood cells white blood cells These white blood cells are involved in allergies. Reprinted with permissioniromPesdent and: Staff Physician (c)1991-92, 19931 by Romaine Pierson Publishers, Inc.