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  • Zoster (Shingles)
  • Administering Vaccines

Several doses (antigen and diluent) of Shingrix were mistakenly stored in our office freezer. One of these doses was administered to a patient. Is this dose valid and if not, when can it be repeated?

Any Shingrix, either antigen or diluent, that is exposed to freezing temperature should not be used. If a dose exposed to freezing temperature is given to a patient the dose should be considered invalid and should be repeated 4 weeks after the invalid dose.

Last reviewed: March 9, 2022

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