Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
Mycobacterium avium: A slow-growing bacterium found in the soil and in dust particles that causes tuberculosis in birds and swine and is responsible for the mycobacterium avian complex (MAC) in
humans. See: Mycobacterium avian complex.