The CDC recommends a schedule of vaccines for young children, including the following. Most of these vaccines require multiple doses by age 3. In past years, the majority of U.S. children ages 19 months to 3 years have been vaccinated.
Vaccine | Percentage of young children immunized, 1998-2017 | Minimum doses by age 3 |
---|---|---|
Diphtheria, tetanus and pertussis | ||
Polio | ||
Measles, mumps, rubella | ||
Haemophilus influenzae type b | ||
Hepatitis A | ||
Hepatitis B | ||
Chickenpox | ||
Pneumococcal conjugate vaccine | ||
Rotavirus |