in an attempt to evaluate the immunogenicity , infectivity , transmissibility and safety of rhesus rotavirus vaccine ( rrv ) mmu 18006 , 27 infants ages 5 to 20 months participated in two randomized , double-blind placebo controlled trials , one in a day care setting to allow for child to child contact and close surveillance and the other on an outpatient basis .
C0021270
infants
C0008059
child