Vaccine Vial: Exposure to light may inactivate the vaccine viruses.
To maintain potency, M-M-R II must be stored between -50°C and +8°C (-58°F to +46°F). Use of dry ice may subject M-M-R II to temperatures colder than -50°C (-58°F).
Before reconstitution, refrigerate the lyophilized vaccine at 2°C to 8°C (36°F to 46°F).
Sterile Diluent: The sterile diluent should be stored in the refrigerator (2°C to 8°C, 36°F to 46°F) or at room temperature (20°C to 25°C, 68°F to 77°F). Do not freeze the sterile diluent.
Administer M-M-R II vaccine immediately after reconstitution. If not administered immediately, reconstituted vaccine may be stored between 2°C to 8°C (36°F to 46°F), protected from light, for up to 8 hours. Discard reconstituted vaccine if it is not used within 8 hours.
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