Syphilis was first identified by: (A) Fraenkel, (B) Nicolaescu, (C) Schaudinn and Hoffman, (D) Ogston
Answer is C. Treponema pallidum is the causative agent of syphilis, was first discovered by Schaudinn and Hoffmann in the chancers and inguinal lymph nodes of syphilitic patients. Ref: Textbook of microbiology; Ananthanarayan and paniker's; 10th edition; Pg: 378