One dose (1.5 mL) contains: Active ingredients: Heat inactivated V. cholerae O1 Inaba Cairo 48 classical biotype 300 L.E.U, Formalin inactivated V. cholerae O1 Inaba Phil 6973 El Tor biotype 600 L.E.U, Formalin inactivated V. cholerae O1 Ogawa Cairo 50 classical biotype 300 L.E.U, Heat inactivated V. cholerae O1 Ogawa Cairo 50 classical biotype 300 L.E.U, Formalin inactivated V. cholerae O139 4260B 600 L.E.U.