how early can one have proquad
FOR SUBCUTANEOUS ADMINISTRATION ONLY. Each 0.5-mL dose of ProQuad is administered subcutaneously. The first dose is usually administered at 12 to 15 months of age but may be given anytime through 12 years of age. If a second dose of measles, mumps, rubella, and varicella vaccine is needed, ProQuad may be used. This dose is usually administered at 4 to 6 years of age.