One of the group’s focuses will be an examination of substances added to vaccines to increase their efficacy, called adjuvants. Hannah Beier/Reuters/File

A new working group of outside advisers to the US Centers for Disease Control and Prevention will convene to assess the safety, effectiveness and timing of the shots children and adolescents get, as well as whether the schedule should be changed, according to a new document posted on the CDC’s website.

This group will be part of the CDC’s Advisory Committee on Immunization Practices or ACIP, a panel of independent experts who regularly meet to assess what vaccines should be given to the public and when. In an unprecedented move , US Health and Human Services Secretary Robert F. Kennedy Jr. fired all 17 members of ACIP in June and

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