Vibrio cholerae O1 Inaba, classical biotype (heat inactivated) Vibrio cholerae O1 Inaba, El Tor biotype (formalin inactivated) Vibrio cholerae O1 Ogawa, classical biotype (heat inactivated) Vibrio cholerae O1 Ogawa, classical biotype (formalin inactivated) Recombinant cholera toxin B subunit (rCTB) 1 mg