RT Journal Article SR Electronic T1 ERRATUM JF Pediatrics JO Pediatrics FD American Academy of Pediatrics SP 339 OP 339 VO 89 IS 2 YR 1992 UL http://pediatrics.aappublications.org/content/89/2/339.abstract AB In the November issue of Pediatrics, a typographical error was overlooked in the Letter to the Editor, "Response to Pneumococcal Vaccine," by Gerald Schiffman (Pediatrics 1991;88:1074-1075). The last paragraph of the Letter should begin with: "I do agree with the authors that a level of 200 ng of antibody N/mL after immunization is hyporesponsive if, by that term, they mean not producing sufficient antibody for protection."