Safety and Immunogenicity of Oral Cholera Vaccine in Kolkata

"Bivalent oral killed cholera vaccine: each dose of this vaccine contains:~* Inactivated V.Cholerae Inaba (569B), Classical biotype - 25.109 cells~* Inactivated V.Cholerae Ogawa (Cairo 50) Classical biotype - 25.109 cells~* Inactivated V.Cholerae Inaba (Phil 6973) El Tor biotype - 50.109 cells~* Inactivated V.Cholerae O139 - 50.109 cells~each 1.5 mL dose given orally, two doses given 14 days apart"

"Escherichia coli K12 strain placebo: each dose of placebo contains heat-killed E. coli K12 strain in an amount whose optical turbidity is identical to that for the cholera vaccine.~Each 1.5 mL dose given orally, two doses given 14 days apart"