The presentation of doctoral thesis of graduate school of infection control sciences, Kitasato University in 2017 was held. 2017 12/20 December 20, 2017 From our group, Goh Sennari (5th year graduate student) presented his thesis to get Ph.D. Information Prof. Toshi Sunazuka was an invited speaker at "the 22th Japan Society for Proteases in Pathophysiology" that was held on August 11-12th, 2017 at Senri life science center, Osaka, Japan. A Happy New Year!