preferred_name: measles virus vaccine live, Enders' attenuated Edmonston strain 2000 UNT/ML / mumps virus vaccine live, Jeryl Lynn strain 40000 UNT/ML / rubella virus vaccine live (Wistar RA 27-3 strain) 2000 UNT/ML / varicella-zoster virus vaccine live (Oka-Merck) strain 20000 UNT/ML [ProQuad]