WASHINGTON (AP) — Robert F. Kennedy Jr., the controversial environmental lawyer turned public health critic, is set to find out on Tuesday if he has cleared the first hurdle to become the nation’s top health official when the Senate Finance Committee votes on his nomination.

Robert F. Kennedy Jr. cleared a crucial hurdle for confirmation as Health and Human Services secretary. Here's what happens next in the Senate

Kyra Kennedy, 29, is the youngest daughter of health secretary nominee Robert F. Kennedy Jr.

Robert F. Kennedy Jr. will face the Senate for two days of confirmation hearings in a bid become the leader of Health and Human Services.

The health committee chairman, Sen. Bill Cassidy, R-La., also has expressed concerns about Kennedy's anti-vaccine work. A physician, Cassidy said earlier this month he “had a frank conversation” and “spoke about vaccines at length” with Kennedy. On Tuesday, Cassidy told reporters that he is still unsure if he is backing Trump’s nominee.

The Senate Finance Committee is voting Tuesday on whether to move Robert F. Kennedy Jr.’s nomination forward. All eyes are on Senator Bill Cassidy, a G.O.P. doctor uneasy with Mr. Kennedy’s vaccine views.

The Republican-led U.S. Senate Finance Committee on Tuesday advanced President Donald Trump's nomination of Robert F. Kennedy Jr. as health secretary, paving the way for the full Senate to vote to confirm him as soon as this week.

The Senate Finance Committee will vote Tuesday on Robert F. Kennedy Jr's appointment to direct the U.S. Department of Health and Human Services.