At the time this book was written (published 2009), the childhood immunization schedule was as follows. Consult your pediatrician for the most up-to-date immunization schedule for your child, and check out this online resource.

• Hepatitis B: first dose at birth, second dose within the first two months after birth, and the third dose at four to six months of age.

• Rotavirus: first dose at two months, second dose at four months, and third dose at six months. This vaccine cannot be given after eight months of age.

• DTaP: first dose at two months, second dose at four months, third dose at six months, fourth dose between twelve and eighteen months, and the last dose at four years.

• Hib: first dose at two months, second dose at four months, third dose at six months, and the fourth dose is recommended between twelve and eighteen months if there is no vaccine shortage.

• Pneumococcal conjugate: first dose at two months, second dose at four months, third dose at six months, and the fourth dose is recommended between twelve and eighteen months.

• Polio: first dose at two months, second dose at four months, the third dose between six and eighteen months, and the fourth dose at four years.

• Flu (injectable): starting from six months of age, annually from September to June. If the first dose is given before the age of nine, a booster shot is recommended for the first flu season.

• MMR: first dose at one year (must be administered after the first birthday), and the second dose at four years.

• Chickenpox: first dose at one year (must be administered after the first birthday), and the second dose at four years.

• Hepatitis A: first dose at one year, and the second dose at least six months after the first dose.

• Meningococcal: during adolescence, but may be given to children as young as two years

• HPV: three doses given six months apart starting from age nine for girls.