Immunization Schedule, Pediatric

  • Birth.

  • Hepatitis B vaccine.

  • 1 month.

  • Hepatitis B vaccine. (This second dose should be given at age 1 or 2 months.)

  • 2 months.

  • Hepatitis B vaccine. (This second dose should be given at age 1 or 2 months.)

  • Rotavirus vaccine. (This first dose should be given no earlier than 6 weeks of age.)

  • Diphtheria, tetanus, and acellular pertussis vaccine. (This first dose should be given no earlier than 6 weeks of age.)

  • Haemophilus influenzae tybe b vaccine. (The first dose should be given no earlier than 6 weeks of age.)

  • Pneumococcal conjugate vaccine. (The first dose should be given no earlier than 6 weeks of age.)

  • Inactivated poliovirus vaccine. (This first dose should be given no earlier than 6 weeks of age.)

  • Meningococcal vaccine. (The vaccine should be given to infants who have certain high-risk conditions or who are present during an outbreak. The vaccine should be given no earlier than 6 weeks of age.)

  • 4 months.

  • Hepatitis B vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Rotavirus vaccine.

  • Diphtheria, tetanus, and acellular pertussis vaccine.

  • Haemophilus influenzae type b vaccine.

  • Pneumococcal conjugate vaccine.

  • Inactivated poliovirus vaccine.

  • Meningococcal vaccine. (The vaccine should be given to infants who have certain high-risk conditions or who are present during an outbreak.)

  • 6 months.

  • Hepatitis B vaccine. (This third dose should be given at age 6 to 18 months. The third dose should be given no earlier than age 24 weeks and at least 16 weeks after the first dose. A fourth dose is recommended when a combination vaccine is administered after the birth dose.)

  • Rotavirus vaccine. (A third dose should be given if any previous dose was a 3-dose series vaccine or if any previous vaccine type is unknown.)

  • Diphtheria, tetanus, and acellular pertussis vaccine.

  • Haemophilus influenzae type b vaccine. (This dose may not be needed, depending on which type of vaccine has been given for the previous doses.)

  • Pneumococcal conjugate vaccine.

  • Inactivated poliovirus vaccine. (This third dose should be given at age 6 through 18 months.)

  • Influenza vaccine. (Infants and children between the ages of 6 months and 8 years who are receiving influenza vaccine for the first time should receive a second dose at least 4 weeks later. Thereafter, only a single annual dose is recommended.)

  • Meningococcal vaccine. (The vaccine should be given to infants who have certain high-risk conditions or who are present during an outbreak.)

  • 9 months.

  • Hepatitis B vaccine. (This third dose should be given at age 6 to 18 months. The third dose should be given no earlier than age 24 weeks and at least 16 weeks after the first dose. A fourth dose is recommended when a combination vaccine is administered after the birth dose.)

  • Diphtheria, tetanus, and acellular pertussis vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Haemophilus influenzae type b vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Pneumococcal conjugate vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Inactivated poliovirus vaccine. (This third dose should be given at age 6 through 18 months.)

  • Influenza vaccine. (Infants and children between the ages of 6 months and 8 years who are receiving influenza vaccine for the first time should receive a second dose at least 4 weeks later. Thereafter, only a single annual dose is recommended.)

  • Meningococcal vaccine. (The vaccine should be given to infants who have certain high-risk conditions, who are present during an outbreak, or who are traveling to a country with a high rate of meningitis.)

  • 12 months.

  • Hepatitis B vaccine. (This third dose should be given at age 6 to 18 months. The third dose should be given no earlier than age 24 weeks and at least 16 weeks after the first dose. A fourth dose is recommended when a combination vaccine is administered after the birth dose.)

  • Diphtheria, tetanus, and acellular pertussis vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Haemophilus influenzae type b booster. (One booster dose should be given at age 12 through 15 months.)

  • Pneumococcal conjugate booster. (One booster dose should be given at age 12 through 15 months.)

  • Inactivated poliovirus vaccine. (This third dose should be given at age 6 through 18 months.)

  • Influenza vaccine. (Infants and children between the ages of 6 months and 8 years who are receiving influenza vaccine for the first time should receive a second dose at least 4 weeks later. Thereafter, only a single annual dose is recommended.)

  • Measles, mumps, and rubella vaccine. (This first dose should be given at age 12 through 15 months. A second dose should be given at age 4 through 6 years. The second dose may be given before 4 years of age if that second dose is given at least 4 weeks after the first dose.)

  • Varicella vaccine. (This first dose should be given at age 12 through 15 months. A second dose should be given at age 4 through 6 years. The second dose may be given before 4 years of age. If the second dose is given before 4 years of age, it is recommended that the second dose be given at least 3 months after the first dose.)

  • Hepatitis A virus vaccine. (Two doses for children aged 12 through 23 months. The second dose should be given 6 to 18 months after the first dose.)

  • Meningococcal vaccine. (The vaccine should be given to children who have certain high-risk conditions, who are present during an outbreak, or who are traveling to a country with a high rate of meningitis.)

  • 15 months.

  • Hepatitis B vaccine. (This third dose should be given at age 6 to 18 months. The third dose should be given no earlier than age 24 weeks and at least 16 weeks after the first dose. A fourth dose is recommended when a combination vaccine is administered after the birth dose.)

  • Diphtheria, tetanus, and acellular pertussis vaccine. (This fourth dose should be given at age 15 to 18 months. This fourth dose may be given as early as 12 months if 6 months or more have passed since the third dose.)

  • Haemophilus influenzae type b booster. (One booster dose should be given at age 12 through 15 months.)

  • Pneumococcal conjugate booster. (One booster dose should be given at age 12 through 15 months.)

  • Inactivated poliovirus vaccine. (This third dose should be given at age 6 through 18 months.)

  • Influenza vaccine. (Infants and children between the ages of 6 months and 8 years who are receiving influenza vaccine for the first time should receive a second dose at least 4 weeks later. Thereafter, only a single annual dose is recommended.)

  • Measles, mumps, and rubella vaccine. (This first dose should be given at age 12 through 15 months. A second dose should be given at age 4 through 6 years. The second dose may be given before 4 years of age if that second dose is given at least 4 weeks after the first dose.)

  • Varicella vaccine. (This first dose should be given at age 12 through 15 months. A second dose should be given at age 4 through 6 years. The second dose may be given before 4 years of age. If the second dose is given before 4 years of age, it is recommended that the second dose be given at least 3 months after the first dose.)

  • Hepatitis A virus vaccine. (Two doses for children aged 12 through 23 months. The second dose should be given 6 to 18 months after the first dose.)

  • Meningococcal vaccine. (The vaccine should be given to children who have certain high-risk conditions, who are present during an outbreak, or who are traveling to a country with a high rate of meningitis.)

  • 18 months.

  • Hepatitis B vaccine. (This third dose should be given at age 6 to 18 months. The third dose should be given no earlier than age 24 weeks and at least 16 weeks after the first dose. A fourth dose is recommended when a combination vaccine is administered after the birth dose.)

  • Diphtheria, tetanus, and acellular pertussis vaccine. (This fourth dose should be given at age 15 to 18 months. This fourth dose may be given as early as 12 months if 6 months or more have passed since the third dose.)

  • Haemophilus influenzae type b vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Pneumococcal conjugate vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Inactivated poliovirus vaccine. (This third dose should be given at age 6 through 18 months.)

  • Influenza vaccine. (Infants and children between the ages of 6 months and 8 years who are receiving influenza vaccine for the first time should receive a second dose at least 4 weeks later. Thereafter, only a single annual dose is recommended.)

  • Measles, mumps, and rubella vaccine. (Doses should be given if needed to catch up on missed doses in the past. A second dose should be given at age 4 through 6 years. The second dose may be given before 4 years of age if that second dose is given at least 4 weeks after the first dose.)

  • Varicella vaccine. (Doses given if needed to catch up on missed doses in the past. A second dose should be given at age 4 through 6 years. If the second dose is given before 4 years of age, it is recommended that the second dose be given at least 3 months after the first dose.)

  • Hepatitis A virus vaccine. (Two doses for children aged 12 through 23 months. The second dose should be given 6 to 18 months after the first dose.)

  • Meningococcal vaccine. (The vaccine should be given to children who have certain high-risk conditions, who are present during an outbreak, or who are traveling to a country with a high rate of meningitis.)

  • 19 to 23 months.

  • Hepatitis B vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Diphtheria, tetanus, and acellular pertussis vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Haemophilus influenzae type b vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Pneumococcal conjugate vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Inactivated poliovirus vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Influenza vaccine. (Infants and children between the ages of 6 months and 8 years who are receiving influenza vaccine for the first time should receive a second dose at least 4 weeks later. Thereafter, only a single annual dose is recommended.)

  • Measles, mumps, and rubella vaccine. (Doses should be given if needed to catch up on missed doses in the past. A second dose should be given at age 4 through 6 years. The second dose may be given before 4 years of age if that second dose is given at least 4 weeks after the first dose.)

  • Varicella vaccine. (Doses given if needed to catch up on missed doses in the past. A second dose should be given at age 4 through 6 years. If the second dose is given before 4 years of age, it is recommended that the second dose be given at least 3 months after the first dose.)

  • Hepatitis A virus vaccine. (Two doses for children aged 12 through 23 months. The second dose should be given 6 to 18 months after the first dose.)

  • Meningococcal vaccine. (The vaccine should be given to children who have certain high-risk conditions, who are present during an outbreak, or who are traveling to a country with a high rate of meningitis.)

  • 2 to 3 years.

  • Hepatitis B vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Diphtheria, tetanus, and acellular pertussis vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Haemophilus influenzae type b vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Pneumococcal conjugate vaccine. (Doses given if needed to catch up on missed doses in the past. The vaccine should be given to children aged 24 through 71 months with previous vaccinations who have certain high-risk conditions.)

  • Pneumococcal polysaccharide vaccine. (The vaccine should be given to children aged 2 years or older who have certain high-risk conditions. A second dose should be given 5 years after the first dose to children who have certain high-risk conditions.)

  • Inactivated poliovirus vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Influenza vaccine. (Infants and children between the ages of 6 months and 8 years who are receiving influenza vaccine for the first time should receive a second dose at least 4 weeks later. Thereafter, only a single annual dose is recommended.)

  • Measles, mumps, and rubella vaccine. (Doses should be given if needed to catch up on missed doses in the past. A second dose should be given at age 4 through 6 years. The second dose may be given before 4 years of age if that second dose is given at least 4 weeks after the first dose.)

  • Varicella vaccine. (Doses given if needed to catch up on missed doses in the past. A second dose should be given at age 4 through 6 years. If the second dose is given before 4 years of age, it is recommended that the second dose be given at least 3 months after the first dose.)

  • Hepatitis A virus vaccine. (Children given 1 dose before age 24 months should be given a second dose 6 to 18 months after the first dose. Children who have not been given the vaccine before 2 years of age should be given the vaccine if they are at risk for infection or if hepatitis A protection is desired.)

  • Meningococcal vaccine. (The vaccine should be given to children who have certain high-risk conditions, who are present during an outbreak, or who are traveling to a country with a high rate of meningitis.)

  • 4 to 6 years.

  • Hepatitis B vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Diphtheria, tetanus, and acellular pertussis.

  • Haemophilus influenzae type b vaccine. (This vaccine is usually not given to persons older than 5 years of age. However, 1 dose should be given to unvaccinated or partially vaccinated persons aged 5 years or older who have certain high-risk conditions.)

  • Pneumococcal conjugate vaccine. (The vaccine should be given to children aged 24 through 71 months with previous vaccinations who have certain high-risk conditions. The vaccine should be given to previously unvaccinated children aged 6 through 18 years who have certain high-risk conditions.)

  • Pneumococcal polysaccharide vaccine. (The vaccine should be given to children aged 2 years or older who have certain high-risk conditions. A second dose should be given 5 years after the first dose to children who have certain high-risk conditions.)

  • Inactivated poliovirus booster. (This booster should be given on or after the fourth birthday and at least 6 months after the previous dose.)

  • Influenza vaccine. (Infants and children between the ages of 6 months and 8 years who are receiving influenza vaccine for the first time should receive a second dose at least 4 weeks later. Thereafter, only a single annual dose is recommended.)

  • Measles, mumps, and rubella vaccine. (This second dose may be given before 4 years of age if that second dose is given at least 4 weeks after the first dose.)

  • Varicella vaccine. (This second dose may be given before 4 years of age. If the second dose is given before 4 years of age, it is recommended that the second dose be given at least 3 months after the first dose.)

  • Hepatitis A virus vaccine. (Children given 1 dose before age 24 months should be given a second dose 6 to 18 months after the first dose. Children who have not been given the vaccine before 2 years of age should be given the vaccine if they are at risk for infection or if hepatitis A protection is desired.)

  • Meningococcal vaccine. (The vaccine should be given to children who have certain high-risk conditions, who are present during an outbreak, or who are traveling to a country with a high rate of meningitis.)

  • 7 to 10 years.

  • Hepatitis B vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Tetanus, diphtheria, and acellular pertussis. (Doses should be given if needed to catch up on missed diphtheria, tetanus, and acellular pertussis doses in the past. One type of vaccine can be given as early as 10 years of age.)

  • Haemophilus influenzae type b vaccine. (This vaccine is usually not given to persons older than 5 years of age. However, 1 dose should be given to unvaccinated or partially vaccinated persons aged 5 years or older who have certain high-risk conditions.)

  • Pneumococcal conjugate vaccine. (The vaccine should be given to previously unvaccinated children aged 6 through 18 years who have certain high-risk conditions.)

  • Pneumococcal polysaccharide vaccine. (The vaccine should be given to children aged 2 years or older who have certain high-risk conditions. A second dose should be given 5 years after the first dose to children who have certain high-risk conditions.)

  • Inactivated poliovirus vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Influenza vaccine. (Infants and children between the ages of 6 months and 8 years who are receiving influenza vaccine for the first time should receive a second dose at least 4 weeks later. Thereafter, only a single annual dose is recommended.)

  • Measles, mumps, and rubella vaccine. (Doses should be given if needed to catch up on missed doses in the past.)

  • Varicella vaccine. (Doses should be given if needed to catch up on missed doses in the past. For children aged 7 through 12 years, it is recommended that any second dose be given at least 3 months after the first dose.)

  • Hepatitis A virus vaccine. (Children who have not been given the vaccine before 2 years of age should be given the vaccine if they are at risk for infection or if hepatitis A protection is desired.)

  • Human papillomavirus vaccine. (Three doses should be given to persons aged 11 through 12 years. The doses can be started at age 9 years. The second dose should be given 1 to 2 months after the first dose. The third dose should be given 6 months after the first dose.)

  • Meningococcal vaccine. (The vaccine should be given to children who have certain high-risk conditions, who are present during an outbreak, or who are traveling to a country with a high rate of meningitis.)

  • 11 to 12 years.

  • Hepatitis B vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Tetanus, diphtheria, and acellular pertussis. (All adolescents aged 11 through 12 should be given 1 dose. Pregnant adolescents should be given 1 dose during each pregnancy.)

  • Haemophilus influenzae type b vaccine. (This vaccine is usually not given to persons older than 5 years of age. However, 1 dose should be given to unvaccinated or partially vaccinated persons aged 5 years or older who have certain high-risk conditions.)

  • Pneumococcal conjugate vaccine. (The vaccine should be given to previously unvaccinated children aged 6 through 18 years who have certain high-risk conditions.)

  • Pneumococcal polysaccharide vaccine. (The vaccine should be given to children aged 2 years or older who have certain high-risk conditions. A second dose should be given 5 years after the first dose to children who have certain high-risk conditions.)

  • Inactivated poliovirus vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Influenza. (Doses should be given yearly.)

  • Measles, mumps, and rubella vaccine. (Doses should be given if needed to catch up on missed doses in the past.)

  • Varicella vaccine. (Doses should be given if needed to catch up on missed doses in the past. For children aged 7 through 12 years, it is recommended that any second dose be given at least 3 months after the first dose.)

  • Hepatitis A virus vaccine. (Children who have not been given the vaccine before 2 years of age should be given the vaccine if they are at risk for infection or if hepatitis A protection is desired.)

  • Human papillomavirus vaccine. (Start or complete the 3 dose series. The second dose should be given 1 to 2 months after the first dose. The third dose should be given 6 months after the first dose.)

  • Meningococcal vaccine. (A dose should be given at age 11 to 12 years, with a booster at age 16 years. Two doses should be given to adolescents aged 11 to 18 years who have certain high-risk conditions. Those doses should be given at least 8 weeks apart. The vaccine should be given to adolescents who are present during an outbreak or who are traveling to a country with a high rate of meningitis.)

  • 13 to 15 years.

  • Hepatitis B vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Tetanus, diphtheria, and acellular pertussis. (Doses should be given if needed to catch up on missed doses in the past. Pregnant adolescents should be given 1 dose during each pregnancy.)

  • Haemophilus influenzae type b vaccine. (This vaccine is usually not given to persons older than 5 years of age. However, 1 dose should be given to unvaccinated or partially vaccinated persons aged 5 years or older who have certain high-risk conditions.)

  • Pneumococcal conjugate vaccine. (The vaccine should be given to previously unvaccinated persons aged 6 through 18 years who have certain high-risk conditions.)

  • Pneumococcal polysaccharide vaccine. (The vaccine should be given to children aged 2 years or older who have certain high-risk conditions. A second dose should be given 5 years after the first dose to children who have certain high-risk conditions.)

  • Inactivated poliovirus vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Influenza. (Doses should be given yearly.)

  • Measles, mumps, and rubella vaccine. (Doses should be given if needed to catch up on missed doses in the past.)

  • Varicella vaccine. (Doses should be given if needed to catch up on missed doses in the past. For persons aged 13 years and older, it is recommended that any second dose be given at least 4 weeks after the first dose.)

  • Hepatitis A virus vaccine. (People who have not been given the vaccine before 2 years of age should be given the vaccine if they are at risk for infection or if hepatitis A protection is desired.)

  • Human papillomavirus vaccine. (Start or complete the 3 dose series.)

  • Meningococcal vaccine. (Doses should be given if needed to catch up on missed doses in the past. Two doses should be given to adolescents aged 11 to 18 years who have certain high-risk conditions. Those doses should be given at least 8 weeks apart. The vaccine should be given to adolescents who are present during an outbreak or who are traveling to a country with a high rate of meningitis.)

  • 16 to 18 years.

  • Hepatitis B vaccine. (Doses only given if needed to catch up on missed doses in the past.)

  • Tetanus, diphtheria, and acellular pertussis. (Doses should be given if needed to catch up on missed doses in the past. Pregnant adolescents should be given 1 dose during each pregnancy.)

  • Haemophilus influenzae type b vaccine. (This vaccine is usually not given to persons older than 5 years of age. However, 1 dose should be given to unvaccinated or partially vaccinated persons aged 5 years or older who have certain high-risk conditions.)

  • Pneumococcal conjugate vaccine. (The vaccine should be given to previously unvaccinated children aged 6 through 18 years who have certain high-risk conditions.)

  • Pneumococcal polysaccharide vaccine. (The vaccine should be given to children aged 2 years or older who have certain high-risk conditions. A second dose should be given 5 years after the first dose to children who have certain high-risk conditions.)

  • Inactivated poliovirus vaccine. (This vaccine is usually not given to persons aged 18 years or older. Doses only given to persons younger than 18 years if needed to catch up on missed doses in the past.)

  • Influenza. (Doses should be given yearly.)

  • Measles, mumps, and rubella vaccine. (Doses should be given if needed to catch up on missed doses in the past.)

  • Varicella vaccine. (Doses given if needed to catch up on missed doses in the past. For persons aged 13 years and older, it is recommended that any second dose be given at least 4 weeks after the first dose.)

  • Hepatitis A virus vaccine. (People who have not been given the vaccine before 2 years of age should be given the vaccine if they are at risk for infection or if hepatitis A protection is desired.)

  • Human papillomavirus vaccine. (Start or complete the 3 dose series.)

  • Meningococcal vaccine. (Doses should be given if needed to catch up on missed doses in the past. Two doses should be given to adolescents aged 11 to 18 years who have certain high-risk conditions. Those doses should be given at least 8 weeks apart. The vaccine should be given to adolescents who are present during an outbreak or who are traveling to a country with a high rate of meningitis.)

The timing of immunization doses may vary. Timing and number of doses depends on when immunizations are begun and the type of vaccine that is used.