In this episode Lewis First, MD, MS, FAAP, editor-in-chief of Pediatrics, is back for another edition of “First Up.” He offers a bird’s-eye view of what’s in the September issue of the journal. Hosts David Hill, MD, FAAP, and Joanna Parga-Belinkie, MD, FAAP, also talk to Markus Buchfellner, MD, about a mysterious outbreak of hepatitis with no known cause. For resources go to aap.org/podcast.