JUSTIN R. ORTIZ, M.D., and KATHLEEN M. NEUZIL, M.D., and are both with the Vaccine Development Global Program at PATH, an international nonprofit organization dedicated to solving health care problems, and at the University of Washington, Seattle. They reported having no financial disclosures. These comments were summarized from their editorial (Arch. Pediatr. Adolesc. Med. 2010 [doi:10.1001/archpediatrics.2010.193]).