Healthy men and women aged @-@ years with no comorbidities were randomly assigned , by computer-generated block randomisation ( block size of @ ) , to receive either one of three escalating doses of the measles-virus-based candidate vaccine ( low dose -LSB- @ ( @ ) median tissue culture infection doses ( TCID@ ) per @ mL -RSB- , medium dose -LSB- @ ( @ ) TCID@ per @ mL -RSB- , or high dose -LSB- @ ( @ ) TCID@ per @ mL -RSB- ) , or the active comparator-Priorix .