Grassley, Colleagues Urge USDA to Prioritize HPAI Poultry Vaccine Strategy

Grassley, Colleagues Urge USDA to Prioritize HPAI Poultry Vaccine Strategy

WASHINGTON - Sen. Chuck Grassley (R-Iowa), a lifelong family farmer and a member of the Senate Agriculture Committee, joined Sens. Amy Klobuchar (D-Minn.), Ranking Member of the committee, Mike Rounds (R-S.D.) and 20 of their Senate colleagues in a letter urging Department of Agriculture (USDA) Secretary Brooke Rollins to move forward with the USDA's avian flu vaccine strategy for poultry while encouraging a comprehensive, science-based approach.

"We are writing to encourage the U.S. Department of Agriculture (USDA) to continue prioritizing an avian flu vaccine strategy that takes into account a comprehensive, science-based approach for the potential vaccination of poultry and livestock that have been impacted by this disease," the senators wrote. "Avian flu infections have already begun to increase as winter approaches, and it is essential that USDA take renewed action to address and fight this virus."

"The USDA recently noted that a draft proposal of an avian flu vaccine strategy for poultry was currently under review, and we strongly urge the Department to advance this review process with speed and diligence, while allowing for proactive consultation with affected stakeholders," the senators continued. "Any finalized vaccine strategy must take into account feedback from animal health stakeholders, industry experts, and be grounded in sound science. It must also be comprehensive in scope, addressing all impacted species, including turkeys and egg-laying hens. Once a vaccine is developed and USDA has confirmed its safety and efficacy, a vaccine strategy for dairy cattle should also be prioritized."

The National Turkey Federation, the United Egg Producers and the National Milk Producers Federation. endorsed the senators' call for an HPAI poultry vaccine strategy.

"America's egg farmers genuinely appreciate the bipartisan Senate cooperation in support of farmers' fight against HPAI. Like everyone, we value food affordability, and we believe that a successful trade strategy that leads to a viable vaccine strategy is the right long-term solution. Consumers love eggs and we all benefit from the stability of a market where outbreaks of HPAI can be contained," United Egg Producers President and CEO Chad Gregory said.

"National Turkey Foundation (NTF) supports USDA developing a vaccination strategy as one component of a broader approach to HPAI and we believe that plan should be shaped through meaningful stakeholder input and accompanied by active engagement with trading partners to modernize international standards and ensure trade continuity. We look forward to continuing our work with USDA, members of Congress and industry partners to strengthen animal health, ensure food affordability and maintain access to key export markets," National Turkey Federation President and CEO Leslee Oden said.

"Investing in vaccine development and strategic deployment will be a critical piece of controlling and eradicating this disease from dairies across the country.. Until that day, we remain diligent in our work with our partners on Capitol Hill, at USDA and in the private sector to mitigate H5N1's negative effects on dairy producers and consumers," National Milk Producers Federation (NMPF) Chief Science Officer Dr. Jamie Jonker said. Jonker leads NMPF's efforts to coordinate the dairy industry's response to bird flu.

Along with Grassley, Klobuchar and Rounds, the letter was signed by Senate Majority Leader John Thune (R-S.D.) and Sens. Michael Bennet (D-Colo.), Joni Ernst (R-Iowa), John Fetterman (D-Penn.), Ruben Gallego (D-Ariz.), Kirsten Gillibrand (D-N.Y.), Martin Heinrich (D-N.M.), Jon Husted (R-Ohio), Jim Justice (R-W.Va.), Tim Kaine (D-Va.), Mike Lee (R-Utah), Adam Schiff (D-Calif.), Elissa Slotkin (D-Mich.), Tina Smith (D-Minn), Thom Tillis (R-N.C.), Mark Warner (D-Va.), Ted Budd (R-N.C.), Ben Ray Luján (D-N.M.), Todd Young (R-Ind.) and Bernie Moreno (R-Ohio).

Read the full letter HERE and below.

December 11, 2025

The Honorable Brooke Rollins

Secretary

U.S. Department of Agriculture

1400 Independence Ave., S.W.

Washington, D.C. 20250

Dear Secretary Rollins,

We are writing to encourage the U.S. Department of Agriculture (USDA) to continue prioritizing an avian flu vaccine strategy that takes into account a comprehensive, science-based approach for the potential vaccination of poultry and livestock that have been impacted by this disease. We have appreciated your commitment to addressing avian flu thus far in your tenure as Secretary, including the release of the Department's February 26, 2025, "Five-Pronged Approach to Address Avian Flu".

Since the beginning of this outbreak in 2022, avian flu has impacted more than 184.03 million birds in 1,905 flocks, including more than 21.1 million turkeys and 141.1 million layers, and 1,083 dairy herds across the country. Avian flu infections have already begun to increase as winter approaches, and it is essential that USDA take renewed action to address and fight this virus.

The USDA recently noted that a draft proposal of an avian flu vaccine strategy for poultry was currently under review, and we strongly urge the Department to advance this review process with speed and diligence, while allowing for proactive consultation with affected stakeholders. Any finalized vaccine strategy must take into account feedback from animal health stakeholders, industry experts, and be grounded in sound science. It must also be comprehensive in scope, addressing all impacted species, including turkeys and egg-laying hens. Once a vaccine is developed and USDA has confirmed its safety and efficacy, a vaccine strategy for dairy cattle should also be prioritized. We encourage the Department to work closely with trading partners and impacted producers to fully assess and manage any potential trade implications. Finally, as the USDA rolls out any avian flu vaccine strategy, it is critical that clear and transparent communication to producers, veterinarians, and state animal health officials, along with direct guidance and resources, are in place.

We value USDA's continued action to curb the spread of avian flu. Producers, veterinarians, and the American public depend on timely, science-based action to safeguard animal health and protect our nation's food security. As we prepare and respond to the resurgence of this virus, a thoughtful and comprehensive vaccine strategy will strengthen our ability to fight and mitigate avian flu.

Thank you for your continued attention to this urgent matter.

Sincerely,

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