In selecting a doctor who is skeptical of vaccine safety, the president-elect is emphasizing his commitment to reforming the role of federal health agencies in radical ways.

Weldon has questioned the safety of some vaccines and advocated for limits on abortion. He'll be the first CDC director to face Senate confirmation.

Johns Hopkins surgeon Dr. Marty Makary is his choice for the FDA and Dr. Janette Nesheiwat is in line to be the next surgeon general. Dr. Dave Weldon of Florida is slated to run the CDC.