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  • MMR (Measles, Mumps, and Rubella)
  • Storage & Handling
  • Storage & Handling
  • Vaccine Viability and Expiration

How long can reconstituted MMR vaccine be stored in a refrigerator before it must be discarded?

The amount of time in which a dose of vaccine must be used after reconstitution varies by vaccine and is usually outlined in the vaccine’s package insert. MMR must be used within 8 hours of reconstitution. MMRV must be used within 30 minutes; other vaccines must be used immediately. has a staff education piece that outlines the time allowed between reconstitution and use, as stated in the package inserts for a number of vaccines. This handout can be found at the following link:

Last reviewed: July 26, 2023

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