Figure 2.

Percent of children enrolled in five large U.S. provider groups who received a first hepatitis B vaccination within the first week of life, October 1996 – December 1999. Baseline cohort: born between October 1996 – June 1999 (n = 67,835). Birth dose suspension cohort: born between July 1999 – September 1999 (n = 6,401). Reversal cohort: born between October 1999 – December 1999 (n = 6,065).

Lin et al. BMC Pediatrics 2006 6:31   doi:10.1186/1471-2431-6-31
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