Strategy First Dose Second Dose
Vaccine Age Vaccine Age
A (short-interval) V-MSD 12 mo V-MSD 24 mo
B (short-interval) V-GSK 12 mo V-GSK 24 mo
C (medium-interval) V-MSD 15 mo V-MSD 5.5.y
D (medium-interval) V-GSK 15 mo V-GSK 5.5 y
E (medium-interval) V-MSD 15 mo MMRV- MSD 5.5 y
F (medium-interval) V-GSK 15 mo MMRV- GSK 5.5 y