The fourth dose of DTaP may be administered as early as 12 months of age, provided 6 months have elapsed since the third dose and the child is unlikely to return at age 15 through 18 months. The fifth dose of DTaP is not necessary if the fourth dose was given on or after the 4th birthday. Last updated August 1, 2012 and July 1, 2017
The fourth dose of DTaP may be administered as early as 12 months of age, provided 6 months have elapsed since the third dose and the child is unlikely to return at age 15 through 18 months. The fifth dose of DTaP is not necessary if the fourth dose was given on or after the 4th birthday. Last updated August 1, 2012 and July 1, 2017
Immunizations.docx