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 is still choosing his nominees for his second term in the White House − and making some surprising picks.

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