Spacing of Immunobiologics - Health Care Provider Info Page Contents Multiple Doses of the Same Antigen Table 1. Preparations Table 2.
Some vaccines require more than one dose for adequate protection.
The minimum interval between subsequent doses of vaccine is shown in Table 1 . Except for oral typhoid vaccine, it is unnecessary to restart an interrupted series of a vaccine or toxoid or to add extra doses. Rotavirus vaccine is no longer recommended. See the ACIP update on rotavirus vaccine. These minimum acceptable ages and intervals may not correspond with the optimal recommended ages and intervals for vaccination.