The Washington Post first reported the postponement.
The timing for the rescheduled confirmation hearing remains unclear. Veterans Affairs Committee Chairman Johnny Isakson, R-Ga., was traveling back to Washington late Monday after giving the eulogy for a friend in Georgia.
Jackson is the White House physician — a position he also held under former President Barack Obama. President Donald Trump announced his choice last month, after firing the department’s former secretary, David Shulkin, and after promoting Jackson to rear admiral.
In January, Jackson briefed the media on Trump’s health, telling reporters the president has “a lot of energy and a lot of stamina” and was in “excellent” health.