Washington — President-elect Donald Trump is expected to nominate Robert F. Kennedy Jr. to lead the Department of Health and Human Services, according to three sources familiar with the selection. Kennedy has a long record of criticizing vaccines, including spreading misleading claims about their safety.

President-elect Donald Trump has nominated Robert F. Kennedy Jr. to to head the Department of Health and Human Services (HHS).

The nearly $2 trillion agency administers health-insurance programs for millions of Americans, approves medications and oversees vaccine safety.