Layoff notices began Tuesday, impacting workers across multiple agencies. The FDA will lose 3,500 jobs, the CDC 2,400, the National Institutes of Health 1,200, and the Centers for Medicare and Medicaid Services 300, according to figures released by HHS.

The layoffs are expected to impact 3,500 employees at the Food and Drug Administration and 2,400 employees from the Centers for Disease Control and Prevention -- nearly one-fifth of the workforce at both public health divisions,

The Knox County Health Department has laid off seven employees ‒ six full-time and one part-time ‒ after the federal government suddenly cut grants that paid their salaries, Knox News has learned. The employees' salaries were paid for by a federal Epidemiology and Laboratory Capacity for Prevention and Control of Emerging Infectious Diseases grant designed to fight infectious disease outbreaks.