More than 80 organizations oppose Robert F. Kennedy Jr's nomination to head the U.S. Health and Human Services Department, citing his anti-vaccine stance and misinformation. An ad campaign launched by 314 Action aims to influence Republican senators against his confirmation.

Here's when and where Robert F. Kennedy will get his first hearing as President Trump's nominee for secretary of Health and Human Services.

Senators from both sides of the aisle are expected to carefully examine his commitment to evidence-based science and his readiness to lead one of the federal