Immunization Schedule from Infant to Age 6
Vaccines work by training your immune system to recognize and fight off infections. They give you strong protection from many diseases at every stage of life.
Staying up to date with immunizations helps prevent serious illnesses — including those that can spread quickly in places like schools and child care settings.
All vaccines in Ontario’s routine immunization schedule are free for people who are eligible.
| Age | How it's Administered | Vaccines | Abbreviation |
|---|---|---|---|
| 2 months | Given by needle | Diphtheria, tetanus, pertussis, polio, haemophilus influenza type b vaccine | DTaP-IPV-Hib |
| 2 months | Given by needle | Pneumococcal conjugate vaccine | Pneu-C |
| 2 months | Given by oral drops | Rotavirus vaccine | Rot-1 |
| 4 months | Given by needle | Diphtheria, tetanus, pertussis, polio, haemophilus influenza type b vaccine | DTaP-IPV-Hib |
| 4 months | Given by needle | Pneumococcal conjugate vaccine | Pneu-C |
| 4 months | Given by oral drops | Rotavirus vaccine | Rot-1 |
| 6 months | Given by needle | Diphtheria, tetanus, pertussis, polio, haemophilus influenza type b vaccine | DTaP-IPV-Hib |
| 12 months | Given by needle | Measles, mumps, rubella vaccine 2 doses are required for school attendance (see 4-6 years, below); must be given on or after the 1st birthday and at least 28 days apart | MMR |
| 12 months | Given by needle | Meningococcal conjugate vaccine Must be given on or after the 1st birthday | Men-C-C |
| 12 months | Given by needle | Pneumococcal conjugate vaccine | Pneu-C |
| 15 months | Given by needle | Varicella (chickenpox) vaccine | Var |
| 18 months | Given by needle | Diphtheria, tetanus, pertussis, polio, haemophilus influenza type b vaccine | DTaP-IPV-Hib |
| 4-6 years | Given by needle | Tetanus, diphtheria, pertussis, polio vaccine | Tdap-IPV |
| 4-6 years | Given by needle | Measles, mumps, rubella, varicella (chickenpox) vaccine *The second dose of MMR is usually given in combination with the second recommended dose of varicella at 4-6 years | MMRV |