Former Health and Human Services (HHS) secretary Kathleen Sebelius on Saturday weighed in on President-elect Trump selecting Robert F. Kennedy Jr. to lead the department, calling it a “life or death” decision.

The anti-vaccine activist could oversee the Centers for Disease Control and Prevention, the Food and Drug Administration and the National Institutes of Health.

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.