Robert F. Kennedy Jr., as HHS Secretary, has initiated plans to fire thousands of federal health agency employees, including at the FDA, CDC, and NIH, with estimates ranging from several thousand to around 10,000 job cuts.
RFK Jr. just fired thousands of federal workers at crucial health agencies, including the FDA, CDC, and NIH.

FactVerify
Source: factverify.com
Key Evidence
Reports from multiple reputable sources confirm that RFK Jr., as HHS Secretary, announced plans to cut around 10,000 jobs across HHS agencies including 3,500 at FDA and 2,400 at CDC.
Additionally, he specifically mentioned terminating about 600 NIH employees.
motherjones.commotherjones.comRobert F. Kennedy Jr. Reveals Plans to Fire 600 Federal Health Workers
These workforce reductions are underway but not necessarily completed instantaneously.
What the Evidence Shows
The claim that RFK Jr. Fired thousands of federal workers at key health agencies such as the FDA, CDC, and NIH is largely supported by multiple credible reports. The components of the claim include: 1) RFK Jr. Is responsible for the firings; 2) the firings involve thousands of employees; 3) the affected agencies include the FDA, CDC, and NIH.
Evidence shows that since his appointment as Secretary of Health and Human Services, RFK Jr. Has announced and begun implementing significant workforce reductions within HHS. Reports indicate plans to cut approximately 10,000 jobs across the department, which includes major agencies like the FDA, CDC, and NIH. Specific numbers cited include about 3,500 full-time employee cuts at the FDA and 2,400 at the CDC, as well as around 600 terminations at NIH.motherjones.commotherjones.comRobert F. Kennedy Jr. Reveals Plans to Fire 600 Federal Health Workers These figures collectively support that thousands of federal health workers are being laid off under his leadership.
However, some nuance is important. The timing and exact execution vary: some terminations are planned or announced but may not have fully occurred yet; some employees were probationary or part of voluntary departures. Additionally, some reports mention that certain critical roles such as inspectors or reviewers might be exempted from cuts. The claim that RFK Jr. "Just fired" thousands suggests immediate mass firings, whereas evidence indicates a process unfolding over months with some ongoing adjustments.
Counterarguments or clarifications include that these cuts are part of a broader restructuring effort aimed at reducing bureaucracy and inefficiency within HHS. Critics worry about the impact on public health capacity,newsweek.comnewsweek.comRFK Jr. Suggests Replacing Hundreds of Federal Health Employees but RFK Jr. Frames it as necessary reform.
In conclusion, while the claim is broadly accurate in stating that RFK Jr. Has initiated large-scale layoffs affecting thousands of federal health workers across key agencies including FDA, CDC, and NIH, the immediacy implied by "just fired" is somewhat overstated given the phased nature of these actions. Therefore, "Mostly True" best reflects the factual basis with contextual nuance.