A draft budget proposal circulating among federal officials would dramatically deepen cuts at the nation's top health agency, eliminating some public health programs entirely and serving as a roadmap for more mass firings.

The Trump administration is formulating plans to cut roughly a third of the federal health budget, eliminate dozens of programs and vastly whittle down health agencies, according to an internal document reviewed by CNN.

Proposals for the GOP budget resolution are already circulating, including possibilities for changing federal benefits in retirement and health insurance.