The bipartisan bill passed both the House and Senate by large margins and increases the NIH's budget by 5.4 percent over its fiscal 2018 funding level.
The appropriations package would boost the NIH's fiscal 2019 budget to $39.1 billion, and earmarks money for programs such as the All of Us initiative.
The US National Institutes of Health has developed guidelines to gauge whether frail chimpanzees are healthy enough to be moved to a retirement sanctuary.
