TY - CHAP M1 - Book, Section TI - Chapter 244. Immunizations A1 - Bryant, Kristina A. A2 - Rudolph, Colin D. A2 - Rudolph, Abraham M. A2 - Lister, George E. A2 - First, Lewis R. A2 - Gershon, Anne A. Y1 - 2011 N1 - T2 - Rudolph's Pediatrics, 22e AB - Childhood immunizations represent one of the great public health achievements of the 20th and 21st centuries.1According to the World Health Organization, immunization prevented at least 2 million child deaths in 2003 alone.2 Less than 250 years after Edward Jenner discovered that inoculation with cowpox protected against smallpox, immunization against 14 different diseases before age 2 is routinely recommended in the United States. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/19 UR - accesspediatrics.mhmedical.com/content.aspx?aid=7024221 ER -