Mark A. FeitelsonMark A. Feitelson, Ph.D. is currently Professor in the Department of Pathology, Anatomy and Cell Biology. He has a secondary appointment in the Department of Microbiology and Immunology and is a member of the Kimmel Cancer Center at Thomas Jefferson niversity. In addition, he is head of the Molecular Diagnostics Laboratory in Microbiology for Thomas Jefferson University Hospital. Prior to his transfer to Jefferson Medical College, Dr Feitelson trained with the nobel laureate Dr Baruch S. Blumberg at the Fox Chase Cancer Center. Dr Feitelson has been working on the biology and pathogenesis of hepatitis B for more than 20 years, and has recently started a similar research program in hepatitis C. Read More Read Less