On February 13, 2025, the U.S. Senate confirmed Robert F. Kennedy Jr. as Secretary of Health and Human Services (HHS) with a narrow 52-48 vote.

The confirmation largely split along party lines, with all Democrats and one Republican, Senate Minority Leader Mitch McConnell, voicing opposition to the nomination due to Kennedy’s previous remarks regarding vaccine safety.

Kennedy, 71, is an environmental attorney and prominent vaccine critic, having led the nonprofit Children’s Health Defense, which contests vaccine policies and advocates for alternative health viewpoints.

His nomination by President Donald Trump encountered considerable pushback from public health experts and even some of his family members.

During his confirmation hearings, Kennedy assured lawmakers of his commitment to evidence-based health policies and promised to conduct regular oversight meetings with the Senate.

Nevertheless, detractors continued to express concerns about his history of disseminating medical misinformation.

Notably, family opposition to his nomination was pronounced, with his cousin, U.S. Ambassador to Australia Caroline Kennedy, labeling him a 'predator' and publicly criticizing his appointment.

Other members of the Kennedy family also distanced themselves from his views on public health.

As HHS Secretary, Kennedy will oversee agencies such as the Food and Drug Administration (FDA) and the Centers for Disease Control and Prevention (CDC), playing a pivotal role in shaping U.S. health policy.

His leadership is anticipated to significantly impact federal health initiatives and vaccine programs amid ongoing public discourse.