Pediatrics / Immunization Lab / Lab Members Lab Members Investigators Stanley J. Schaffer, M.D., M.S. Cynthia M. Rand, M.D., M.P.H. Faculty or Experts at Other Locations Christina Albertin, M.P.H., B.S.N. Sharon Humiston, M.D., M.P.H. Peter G. Szilagyi, M.D., M.P.H. Study Team Cathleen Concannon, M.P.H. Kristine DiBitetto, B.S.