The American Academy of Pediatrics (AAP) has received a number of queries regarding the recommendation for hepatitis B vaccination. These queries arose following recent recommendations released in the AAP interim report, which discusses thimerosal in vaccines.
Thimerosal, a mercury-based preservative, has been used widely in vaccines since the 1930s. The Food and Drug Administration (FDA) recently determined infants receiving several thimerosal-containing vaccines over the first six months of life could be exposed to more mercury than recommended by some federal guidelines. Therefore, the Academy and the Public Health Service called on manufacturers to remove thimerosal from their vaccines.
The AAP recommendations for prevention of hepatitis B virus infection are as follows: