Home / Ask The Experts / My medical assistant inadvertently administered a 0.5 mL dose of the Shingrix diluent only. The dose did not contain any antigen. When can we administer a properly reconstituted dose?

Zoster (Shingles)
Administering Vaccines

My medical assistant inadvertently administered a 0.5 mL dose of the Shingrix diluent only. The dose did not contain any antigen. When can we administer a properly reconstituted dose?

The CDC zoster subject matter experts recommend that in this situation you should wait 4 weeks before giving a repeat dose.

Last reviewed: March 9, 2022

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This page was updated on March 9, 2022.

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My medical assistant inadvertently administered a 0.5 mL dose of the Shingrix diluent only. The dose did not contain any antigen. When can we administer a properly reconstituted dose?

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