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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesThe U.S. Department of Agriculture said in July 2025 that about 70 foreign contract researchers identified in a national security review could no longer work on USDA projects. Reuters reported that the researchers worked at the Agricultural Research Service (ARS), the department’s in-house research agency. USDA said the action was intended to protect the U.S. food supply; union representatives warned it could disrupt research, but the July reporting did not confirm that projects had stopped.
What USDA said it decided
In a statement reported by Reuters on July 18, 2025, an unnamed USDA spokesperson said the department had reviewed people authorized to work on its contracts and identified “approximately 70 individuals from countries of concern.” The spokesperson said those individuals would no longer be able to work on USDA projects.
The figure is approximate and refers to foreign contract researchers barred from USDA project work, not a count of all USDA employees or all researchers affected by the department’s broader security measures. Reuters reported that the researchers worked at ARS.
Why USDA said it took the action
USDA framed the review as a national security measure intended to protect the U.S. food supply. Reuters connected it to Agriculture Secretary Brooke Rollins’s July 8, 2025 farm-security announcement, which included efforts to bar nationals of China, Russia, North Korea, and Iran from purchasing U.S. farmland and to terminate existing research agreements with them.
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The July report does not quantify any security benefit from the review or provide independent evidence assessing the risks USDA sought to address. The rationale is the department’s stated position.
Who was affected, according to union representatives
Thomas Henderson, president of AFGE Local 1657, told Reuters that most of those dismissed were Chinese postdoctoral researchers on two-year contracts who had been vetted before hiring. Henderson also said some researchers arrived at work on July 9 to find their badges no longer worked. These descriptions are Henderson’s account; the Reuters report did not include an independently verified roster of affected researchers.
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Reuters reported that ARS conducts research on pests, food safety, and climate change. Its July 2025 story also said the agency had lost about 1,200 employees—more than 17% of its 2024 staffing level—through terminations and voluntary incentives to leave. Those are figures reported at that time, not current staffing data.
What the July 8 memo reportedly changed
Reuters described a July 8, 2025 memo that restricted USDA staff from publishing research with nationals of the four named countries without agency approval, and from attending events organized by foreign adversaries. The report also said procedures for additional review of research involving people from those countries existed before the memo.
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Ethan Roberts, an ARS employee and president of AFGE Local 3247, told Reuters that staff were instructed that publications already under review would be re-analyzed and that work co-authored with nationals of the four countries would be denied. That account describes meeting instructions as reported by an employee; it is not language quoted from the memo itself.
Could the action delay or stop agricultural research?
Henderson warned Reuters that an extended federal hiring freeze would prevent USDA from replacing the researchers and that ongoing work benefiting farmers could have to stop. He cited a project to develop a vaccine for a deadly toxin associated with undercooked beef. Reuters said USDA did not comment on concerns about lost research capacity.
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The report does not establish that the cited vaccine work—or any other specific project—actually stopped or was delayed because of the action. The potential disruption was a union representative’s warning, not a confirmed project-level outcome.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What remains unclear
The available reporting is dated July 2025 and does not establish whether the restrictions remained in force afterward, what happened in individual researchers’ cases, or what effects the review had on research projects. It also does not independently quantify either the security gains or the research losses. Accordingly, the confirmed account is limited to USDA’s announced decision and the attributed descriptions and concerns reported at the time.
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