Oral MucoRice-CTB vaccine for safety and microbiota-dependent immunogenicity in humans: a phase 1 randomised trial oleh Yoshikazu Yuki, PhD, Masanori Nojima, MD, Osamu Hosono, MD, Hirotoshi Tanaka, ProfMD, Yasumasa Kimura, PhD, Takeshi Satoh, PhD, Seiya Imoto, ProfPhD, Satoshi Uematsu, ProfMD, Shiho Kurokawa, PhD, Koji Kashima, PhD, Mio Mejima, PhD, Rika Nakahashi-Ouchida, PhD, Yohei Uchida, MS, Takanori Marui, MS, Noritada Yoshikawa, MD, Fumitaka Nagamura, ProfMD, Kohtaro Fujihashi, ProfDDS, Hiroshi Kiyono, ProfDDS