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  • Contraindications & Precautions

Do people who received chemotherapy need their vaccines repeated?

Vaccines received before starting chemotherapy generally do not need to be repeated after chemotherapy is completed. Chemotherapy does not negate vaccine-induced immunity. However, revaccination is recommended for people who are recipients of a hematopoietic cell transplant (HCT), such as a bone marrow transplant, because immunity present before the transplant is lost and may not be replaced by donor cells. For more information on this issue please refer to the Altered Immunocompetence section of the ACIP “General Best Practices Guidelines for Immunization” at

Last reviewed: August 29, 2022

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