Vaccine-naive individuals were randomly assigned to receive Ahnui vaccine with or without MF@ adjuvant in @ of @ doses ( @ g -LSB- n = @ with MF@ and n = @ without -RSB- , @ g -LSB- n = @ with MF@ and n = @ without -RSB- , @ g -LSB- n = @ with MF@ and n = @ without -RSB- , @ g -LSB- n = @ with MF@ and n = @ without -RSB- , or @ g -LSB- n = @ without adjuvant -RSB- ) or placebo ( n = @ ) given at days @ and @ .