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.

While in Congress, Weldon introduced a bill that would give responsibility for the nation's vaccine safety to an independent agency within the HHS.

President-elect Donald Trump has tapped former Florida Rep. Dave Weldon, a physician and vaccine safety skeptic, to lead the Centers for Disease Control and Prevention.