Two Democratic senators on the committee that will get to decide whether to advance Robert F. Kennedy Jr.'s nomination say his recent financial disclosure filing gave them “grave concern” about whether he should become the next health and human services secretary.

Senate Democrats are demanding additional information on Robert F. Kennedy Jr.'s financial connection to vaccine-related lawsuits ahead of Tuesday's confirmation vote as Health and Human Services secretary.

Kennedy Jr. is revising his ethics agreement to divest his interest in litigation against an HPV vaccine maker and directing the stake to his adult son, The New York Times reported Friday, citing a written response to questions from senators who are weighing his confirmation as Health and Human Services secretary.

Sen. Bill Cassidy, the top Republican on the Senate Committee on Health, Education, Labor and Pensions, concluded Thursday's hearing by saying he was "struggling" with the nomination due to Kennedy's vaccine positions. Kennedy notably refused to say vaccines don't cause autism as he faced pointed question from lawmakers.

Robert F. Kennedy Jr. gave a series of vague or elusive answers to written questions from senators probing his vaccine views, refusing to walk back several previous controversial positions. Why it matters: Decision time is quickly approaching for senators who must vote on whether to confirm Kennedy as Health and Human Services secretary,

The committee's chairman announced that the vote on RFK Jr.'s nomination to be secretary of health and human services is set for Tuesday.

The health and human services secretary nominee, after questions from Democrats, has agreed to transfer his stake in Gardasil personal-injury lawsuits.