Although the number of recommended childhood vaccines has increased substantially during the past few decades, multiple inoculations do not weaken or overwhelm the infant immune system, according to a recent report.
"Addressing Parents' Concerns: Do Multiple Vaccines Overwhelm or Weaken the Infant Immune System?" appeared in the January issue of Pediatrics and was written by Paul A. Offit, MD, chief of Infectious Diseases and director of the Vaccine Education Center at the Children's Hospital of Philadelphia.
Mitka M. Strong Infant Immune System. JAMA. 2002;287(8):974. doi:10.1001/jama.287.8.974-JQU20002-2-1