A clear, age-based view of Ontario's publicly funded immunization schedule. Each vaccine links to a full profile with details on ingredients, side effects, and what to do if a dose is missed.
Every vaccine on this page is labelled with one or more of these badges, so you can see at a glance what's required, what's funded, and what's recommended.
RSV protection for eligible infants
Respiratory syncytial virus (RSV) immunization is available for eligible infants and high-risk children in Ontario to help protect against severe RSV illness in the first months of life. Eligibility depends on factors like birth timing relative to RSV season and individual risk factors. Learn more about RSV protection →
A combination vaccine given as a single injection.
Protects against: diphtheria, tetanus, pertussis (whooping cough), polio, and Hib (Haemophilus influenzae type b).
Protects against a common cause of serious infections in young children.
Protects against: pneumococcal disease, including some types of pneumonia, meningitis, and bloodstream infections.
An oral (liquid) vaccine, not an injection.
Protects against: rotavirus, a common cause of severe diarrhea and vomiting in infants and young children.
Third dose of the same combination vaccine given at 2 and 4 months.
Protects against: diphtheria, tetanus, pertussis (whooping cough), polio, and Hib.
Annual vaccines offered every fall.
Protects against: seasonal influenza (flu) and COVID-19.
Everyone aged 6 months and older who lives, works, or goes to school in Ontario is eligible for annual flu and COVID-19 vaccines each fall.
Booster dose following the earlier infant series.
Protects against: pneumococcal disease, including some types of pneumonia, meningitis, and bloodstream infections.
A single injection given around the first birthday.
Protects against: meningococcal disease caused by serogroup C bacteria, which can cause meningitis and bloodstream infections.
A combination vaccine given as a single injection.
Protects against: measles, mumps, and rubella.
A single injection given around 15 months.
Protects against: varicella (chickenpox).
*Required for school attendance specifically for children born in 2010 or later. See School Requirements for details.
Fourth dose of the same combination vaccine series.
Protects against: diphtheria, tetanus, pertussis (whooping cough), polio, and Hib.
A 4-in-1 booster, often given before starting school.
Protects against: tetanus, diphtheria, pertussis (whooping cough), and polio.
A 4-in-1 booster, often given before starting school.
Protects against: measles, mumps, rubella, and varicella (chickenpox).
*The measles, mumps, and rubella components are ISPA-required. The varicella component is required specifically for children born in 2010 or later. See School Requirements.
A booster building on the Men-C-C dose given at 12 months.
Protects against: meningococcal disease caused by serogroups A, C, Y, and W-135.
A 2-dose series given through the school program.
Protects against: hepatitis B, a virus that can cause liver disease.
Offered through Ontario's Grade 7 school program and publicly funded, but not currently listed as an ISPA-required disease for school attendance.
A vaccine series given through the school program.
Protects against: human papillomavirus (HPV), which is linked to several types of cancer later in life.
Offered through Ontario's Grade 7 school program and publicly funded, but not currently listed as an ISPA-required disease for school attendance.
A 3-in-1 booster given in the mid-teen years.
Protects against: tetanus, diphtheria, and pertussis (whooping cough).
An annual vaccine, ideally received before flu season begins.
Protects against: seasonal influenza, which can cause serious illness, especially in young children.
An annual vaccine, with eligibility for everyone aged 6 months and older.
Protects against: COVID-19.
Some vaccines are recommended only for children with specific medical conditions, risk factors, or circumstances. These are not part of the routine schedule for every child, but may be free under the publicly funded program if you're eligible.
RSV protection
For eligible infants and high-risk children, to help protect against severe respiratory syncytial virus (RSV) illness. Learn more about RSV protection →
Additional pneumococcal or meningococcal vaccines
Children with certain medical conditions (such as immune deficiencies, chronic illnesses, or anatomical/functional asplenia) may be eligible for additional doses or different products beyond the routine schedule.
Hepatitis A and travel-related vaccines
If your family is travelling internationally, additional vaccines may be recommended depending on your destination, age, and health status. A travel health clinic or healthcare provider can advise on timing — ideally well before departure.
Children with medical complexity, immune conditions, or significant allergies
Some vaccines (particularly live vaccines like MMR, MMRV, and varicella) require extra care or specialist input for children who are immunocompromised, have had serious reactions to previous vaccines, or have other complex medical histories. Always discuss these situations with your healthcare provider before a scheduled vaccine visit.
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Please note: This is an independent website. It is not affiliated with, endorsed by, or operated by the Government of Ontario, the Ministry of Health, or any public health unit. The information here is for general education only and is not medical advice — always consult a licensed healthcare provider about your or your child's immunizations.