Use with other vaccines Published clinical data support concomitant administration of the previous formulation of the measles, mumps, and rubella vaccine manufactured by Merck & Co., Inc. with other childhood vaccinations, including DTaP (or DTwP), IPV (or OPV), HIB (Haemophilus influenzae type b), HIB-HBV (Haemophilus influenzae type b with Hepatitis B vaccine), and VAR (varicella).