U.S. Health Secretary Robert F. Kennedy Jr.'s newly reconstituted vaccine advisory panel said during its first meeting on Wednesday that it would study the schedule of childhood and adolescent immunizations and review the use of older vaccines.

A federal vaccine advisory committee plans to review the childhood vaccination schedule and scrutinize vaccines that have been approved for decades, fueling concerns that the panel may consider changes to long-standing vaccine recommendations.

Susan Monarez declined to distance herself from the handling of the U.S. measles outbreak by HHS Secretary Robert F. Kennedy Jr.