Kayla Hancock

Kayla Hancock is not mentioned in either of the provided news articles. The first article discusses Donald Trump's nomination of Erica Schwartz as the new CDC director. The second article focuses on Robert F. Kennedy Jr.'s statements about food and health, and concerns about his overstating the science. Therefore, there is no information available in these articles to provide any background, context, newsworthiness, recent events, or relevance of Kayla Hancock.