RAZoo7520 RAZoo7520 24-06-2024 Medicine Answered Treponema vincentii, Bacteroides forsythus, and fusobacteria synergistically are involved in which infection? A. Gingivitis. B. Necrotizing ulcerative gingivitis (NUG). C. Ornithosis. D. Yaws. E. Nongonococcal urethritis.