Yutaka Tsutsumi graduated from Keio University School of Medicine, Tokyo in 1976, and completed his PhD in 1982. He is the certified pathologist, the certified cytologist and the infection control doctor. He worked for the Department of Pathology, Tokai University School of Medicine, Isehara, Japan for 21 years, and in 2001 he moved as a professor to the Department of Pathology, Fujita Health University School of Medicine, Toyoake, Japan. Dr. Tsutsumi, an oboe player, has published more than 200 English-written papers in varied journals, and released plural single-authored textbooks and web sites in the field of pathology and infectious diseases