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MRESVIA RSV Vaccine Approval Under Material Threat Medical Countermeasure Priority Review Voucher

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Summary

FDA approved MRESVIA (Respiratory Syncytial Virus Vaccine) using a Material Threat Medical Countermeasure Priority Review Voucher. The approval was announced via Federal Register Notice (Docket No. FDA-2026-N-3500, 91 FR 20467) on April 16, 2026. This action grants market authorization for the RSV vaccine, which was reviewed under an expedited pathway designed to encourage development of medical countermeasures addressing material public health threats.

What changed

FDA announced approval of MRESVIA, a respiratory syncytial virus (RSV) vaccine developed under the Material Threat Medical Countermeasure Priority Review Voucher program. The vaccine received priority review due to its designation as a medical countermeasure for a material threat to public health.

Healthcare providers and pharmaceutical companies should note that this approval was expedited using a priority review voucher, which FDA may award for products intended for material threat medical countermeasures. The approval establishes MRESVIA as an authorized RSV vaccine, expanding options for preventing respiratory syncytial virus disease.

What to do next

  1. Monitor for updates on MRESVIA availability and labeling

Archived snapshot

Apr 16, 2026

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Legal Status

Notice

Notice of Approval of Product Under Priority Review Voucher; Material Threat Medical Countermeasure Priority Review Voucher; MRESVIA (Respiratory Syncytial Virus Vaccine)

A Notice by the Food and Drug Administration on 04/16/2026

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- Public Inspection Public Inspection This PDF is FR Doc. 2026-07369 as it appeared on Public Inspection on
04/15/2026 at 8:45 am.

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Published Document: 2026-07369 (91 FR 20467) This document has been published in the Federal Register. Use the PDF linked in the document sidebar for the official electronic format.

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Department of Health and Human Services
Food and Drug Administration
  1. [Docket No. FDA-2026-N-3500]

AGENCY:

Food and Drug Administration, HHS.

ACTION:

Notice.

SUMMARY:

The Food and Drug Administration (FDA) is announcing the approval of a product redeeming a material threat medical countermeasure (MCM) priority review voucher. The Federal Food, Drug, and Cosmetic Act (FD&C Act) authorizes FDA to award priority review vouchers to sponsors of approved material threat MCM product applications that meet certain criteria. FDA is required to publish notice of the issuance of material threat MCM priority review vouchers as well as the approval of products redeeming a priority review voucher. FDA has determined that MRESVIA (Respiratory Syncytial Virus Vaccine), approved May 31, 2024, meets the redemption criteria.

FOR FURTHER INFORMATION CONTACT:

Myrna Hanna, Center for Biologics Evaluation and Research, Food and Drug Administration, industry.biologics@fda.hhs.gov, 240-402-7911.

SUPPLEMENTARY INFORMATION:

FDA is announcing the approval of a product redeeming a material threat MCM priority review voucher. Under section 565A of the FD&C Act (21 U.S.C. 360bbb-4a), FDA will report the issuance of material threat MCM priority review vouchers and the approval of products for which a voucher was redeemed. FDA has determined that MRESVIA (Respiratory Syncytial Virus Vaccine), meets the redemption criteria.

For further information about the material threat MCM Priority Review Voucher Program and for a link to the full text of section 565A of the FD&C Act, go to https://www.fda.gov/​emergency-preparedness-and-response/​mcm-legal-regulatory-and-policy-framework/​21st-century-cures-act-mcm-related-cures-provisions#prv. For further information about MRESVIA (Respiratory Syncytial Virus Vaccine), go to the Center for Biologics Evaluation and Research Approved Products website at https://www.fda.gov/​vaccines-blood-biologics/​center-biologics-evaluation-and-research-cber-product-approval-information.

Grace R. Graham,

Deputy Commissioner for Policy, Legislation, and International Affairs.

[FR Doc. 2026-07369 Filed 4-15-26; 8:45 am]

BILLING CODE 4164-01-P

Published Document: 2026-07369 (91 FR 20467)

Named provisions

Notice of Approval of Product Under Priority Review Voucher

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Last updated

Classification

Agency
Health and Human Services Department
Published
April 16th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
91 FR 20467 / Docket No. FDA-2026-N-3500
Docket
Docket No. FDA-2026-N-3500

Who this affects

Applies to
Pharmaceutical companies Healthcare providers Patients
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Vaccine approval Priority review Medical countermeasure authorization
Geographic scope
United States US

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Regulatory Affairs
Compliance frameworks
GxP
Topics
Public Health Medical Devices

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