Baby Vaccination Schedule
This vaccination schedule is for educational reference only. It is based on the CDC's 2025 recommended immunization schedule. Actual vaccination timing and vaccine selection must be determined by your child's licensed healthcare provider. Every child's health needs may differ.
Baby Vaccination Schedule
Personalized CDC 2025 immunization schedule based on your baby's date of birth
Select your baby's exact date of birth to generate the personalized schedule.
Enter your baby's date of birth
Select your child's date of birth above to instantly generate their personalized CDC 2025 vaccination schedule with exact appointment dates and dose tracking.
Personalized CDC 2025 immunization schedule based on your baby's date of birth
Keeping up with your baby's vaccination schedule is one of the most important steps you can take to protect your child's health during the critical first years of life. Vaccines work by training the immune system to recognize and fight specific viruses and bacteria before your child is ever exposed to them. When given at the right age and in the right sequence, vaccines provide maximum protection — and our free Baby Vaccination Schedule tool makes it easy to know exactly when each shot is due. This tool is based on the CDC's 2025 Recommended Childhood Immunization Schedule, which is reviewed annually by the Advisory Committee on Immunization Practices (ACIP) and endorsed by the American Academy of Pediatrics (AAP) and the American Academy of Family Physicians (AAFP). Simply enter your baby's date of birth, and the tool instantly calculates personalized appointment dates for every vaccine milestone from birth through the 4–6 year kindergarten boosters. The first two years of life involve the most intensive vaccination schedule, because this is when babies are most vulnerable to many serious and potentially life-threatening diseases. At birth, your newborn receives the first dose of Hepatitis B vaccine. At 2 months, 4 months, and 6 months, they receive a series of vaccines against diphtheria, tetanus, whooping cough (DTaP), Haemophilus influenzae type b (Hib), pneumococcal disease (PCV), polio (IPV), rotavirus (RV), and additional doses of Hepatitis B. The 12–15 month visit introduces the measles, mumps, and rubella (MMR) vaccine along with the chickenpox (varicella) vaccine and Hepatitis A. Beyond protecting your individual child, vaccination contributes to community immunity — sometimes called herd immunity. When a high proportion of children in a community are vaccinated, it becomes much harder for diseases to spread, which protects vulnerable people who cannot receive certain vaccines, including newborns too young to be vaccinated and individuals with certain medical conditions. This is why vaccine timing matters not just for your child but for everyone around them. Our tool displays each vaccine with its dose number in the series (for example, 'DTaP — Dose 2 of 5') along with the recommended target date calculated from your baby's date of birth. Each milestone is color-coded: green for doses you have marked as completed, amber for doses due within the next 30 days, red for doses that are past due, and gray for upcoming future doses. You can check off each dose as your child receives it to track progress throughout the full series. Important note: this tool is for educational reference only. It is designed to help parents understand the recommended schedule and prepare questions for their child's healthcare provider — not to replace personalized medical advice. Every child is unique, and your pediatrician may recommend a modified schedule based on your child's health history, early or premature birth, or other individual factors. Always confirm timing and vaccine selection with your child's doctor. The tool also includes a printable schedule feature, making it easy to bring a clean reference card to your child's well-baby visits. The progress tracker lets you visualize how far along your child is in the full vaccination series, which spans from birth through age 6 for the core recommended vaccines. Annual influenza vaccination, recommended starting at 6 months of age, is also highlighted as an ongoing commitment each flu season.
Understanding Childhood Vaccination
What Is the CDC Childhood Immunization Schedule?
The CDC Childhood Immunization Schedule is an evidence-based calendar that specifies when each recommended vaccine should be given to children from birth through 18 years of age. It is developed by the Advisory Committee on Immunization Practices (ACIP), a group of medical and public health experts, and updated annually. The 2025 schedule includes vaccines against 14+ diseases including Hepatitis B, polio, measles, chickenpox, meningitis, and more. The schedule is designed around a child's immunological development — each vaccine is timed for when the immune system can build the strongest response and when disease risk is highest. Following the schedule as closely as possible provides the best protection.
How Are Appointment Dates Calculated?
This tool calculates your baby's personalized vaccine dates by adding the recommended number of days from the date of birth to each milestone age. For example, the 2-month visit is calculated as 61 days after the date of birth, the 4-month visit as 122 days, the 6-month visit as 183 days, and the 12-month visit as 365 days. The tool then compares each milestone date to today's date to determine the status: completed (if you have checked it off), overdue (if the date has passed and it is unchecked), due soon (if within the next 30 days), or upcoming (more than 30 days away). Dates are calculated using exact day arithmetic for accuracy.
Why Does Vaccine Timing Matter?
The timing of childhood vaccines is not arbitrary — it is carefully set based on when a child's immune system can mount the most effective response and when natural maternal immunity begins to wane. For example, the measles vaccine is not given before 12 months because maternal antibodies passed during pregnancy can interfere with the vaccine's effectiveness before that age. The rotavirus vaccine has a hard maximum age cut-off of 8 months because giving it later carries an increased risk of intussusception. Missing vaccines or delaying them can leave your child unprotected during the period when disease risk is highest. When vaccines are delayed or missed, a catch-up schedule can help get your child back on track.
Limitations of This Tool
This tool provides a general reference schedule based on standard CDC 2025 recommendations for healthy children. It does not account for individual medical history, premature birth, immunocompromising conditions, contraindications to specific vaccines, or other factors that may require a customized schedule. The rotavirus vaccine has a strict maximum age cut-off that this tool flags but cannot enforce. Influenza vaccine requirements vary based on prior vaccination history, and children under 9 receiving flu vaccine for the first time need 2 doses — this tool displays the first-dose reminder only. This tool is not a medical record and should not be used as the sole basis for healthcare decisions. Always work with your child's licensed pediatrician or healthcare provider.
Formulas
Each vaccine milestone date is calculated by adding the recommended number of days to the child's date of birth. For example, the 2-month visit = DOB + 61 days, the 4-month visit = DOB + 122 days, and the 12-month visit = DOB + 365 days.
Each dose is classified by comparing the milestone date to today's date. A dose is overdue if the milestone date has passed and it is not marked complete. It is 'due soon' if within 30 days of the target date.
Tracks overall vaccination progress by dividing the number of doses marked as completed by the total number of recommended doses across all vaccine series from birth through age 6.
Reference Tables
CDC 2025 Recommended Childhood Immunization Schedule (Birth–6 Years)
| Age | Vaccines Due | Total Doses at Visit |
|---|---|---|
| Birth | HepB (Dose 1) | 1 |
| 1–2 Months | HepB (Dose 2) | 1 |
| 2 Months | DTaP (1), Hib (1), PCV (1), IPV (1), RV (1) | 5 |
| 4 Months | DTaP (2), Hib (2), PCV (2), IPV (2), RV (2) | 5 |
| 6 Months | DTaP (3), Hib (3), PCV (3), IPV (3), RV (3), HepB (3) | 6 |
| 12–15 Months | MMR (1), VAR (1), HepA (1), Hib (4), PCV (4) | 5 |
| 15–18 Months | DTaP (4) | 1 |
| 18–24 Months | HepA (2) | 1 |
| 4–6 Years | DTaP (5), IPV (4), MMR (2), VAR (2) | 4 |
Rotavirus Vaccine Age Restrictions
| Constraint | RotaTeq (RV5, 3-dose) | Rotarix (RV1, 2-dose) |
|---|---|---|
| Minimum age for Dose 1 | 6 weeks | 6 weeks |
| Maximum age for Dose 1 | 14 weeks 6 days | 14 weeks 6 days |
| Minimum interval between doses | 4 weeks | 4 weeks |
| Maximum age for final dose | 8 months 0 days | 8 months 0 days |
| Total doses in series | 3 | 2 |
Worked Examples
Calculating the 2-Month Visit Date
Start with the date of birth: January 15, 2025
Add 61 days (the standard 2-month milestone): January 15 + 61 = March 17, 2025
Vaccines due at this visit: DTaP (Dose 1), Hib (Dose 1), PCV (Dose 1), IPV (Dose 1), RV (Dose 1)
Identifying Overdue Vaccines
The MMR (Dose 1) is recommended at 12–15 months
12 months from DOB: March 1, 2025
15 months from DOB: June 1, 2025
Today (July 15, 2025) is past the 15-month upper end of the recommended window
The dose is not marked as completed
Tracking Progress Through the 6-Month Visit
Birth: HepB (1) = 1 dose
1–2 months: HepB (2) = 1 dose
2 months: DTaP (1), Hib (1), PCV (1), IPV (1), RV (1) = 5 doses
4 months: DTaP (2), Hib (2), PCV (2), IPV (2), RV (2) = 5 doses
6 months: DTaP (3), Hib (3), PCV (3), IPV (3), RV (3), HepB (3) = 6 doses
Total: 1 + 1 + 5 + 5 + 6 = 18 doses completed
How to Use This Tool
Enter your baby's date of birth
Use the date picker to select your child's exact date of birth. The tool immediately calculates their current age and generates a personalized schedule with exact calendar dates for every recommended vaccine appointment.
Review the color-coded milestones
Scroll through the vaccination milestones organized by age group (Birth, 2 months, 4 months, etc.). Each milestone is color-coded: green means completed, amber means due within 30 days, red means overdue, and gray means upcoming. The 'Next Appointment' box highlights your child's nearest upcoming or overdue visit.
Check off vaccines as they are given
After each doctor's visit, check the checkbox next to each vaccine your child received. The progress bar at the top updates automatically, and the milestone turns green once all doses in that visit are marked complete. Tap the expand arrow on any vaccine to see what disease it protects against.
Print the schedule for appointments
Click 'Print Schedule' to generate a clean, printable schedule card showing your child's name, date of birth, all milestone dates, and vaccine names. Bring it to appointments to discuss timing with your pediatrician. Always confirm scheduling decisions with your child's healthcare provider.
Frequently Asked Questions
Why does my baby need so many vaccines in the first two years?
The first two years of life are when babies are most vulnerable to many serious diseases, and also when their immune systems are developing rapidly. The vaccine schedule is carefully designed so each dose is given at the age when the immune system will respond most effectively and when disease risk is highest. Most of the core infant vaccine series are completed by 24 months, though boosters and annual flu vaccines continue throughout childhood. Multiple vaccines given at the same visit are thoroughly tested for safety together and are recommended to minimize the number of healthcare visits.
Is it safe to give multiple vaccines at the same visit?
Yes. Multiple vaccines given at the same visit are safe and do not overwhelm the immune system. Research shows that a baby's immune system can handle hundreds of antigens simultaneously — the total number of antigens in today's entire childhood vaccine series is actually far fewer than in the older smallpox vaccine alone. Combination vaccines like DTaP (three diseases in one shot) reduce the number of injections. Giving multiple vaccines at one visit reduces the number of appointments needed, protects your child sooner, and is recommended by the CDC, AAP, and WHO. Discuss any concerns with your pediatrician.
What happens if my baby missed a scheduled vaccine?
Missing a vaccine does not mean starting the series over. The CDC publishes a catch-up immunization schedule that uses minimum interval rules to get children back on track as quickly as possible. Important exceptions: rotavirus vaccine must begin by 14 weeks and 6 days of age and must be completed before 8 months — these windows cannot be extended. Talk to your pediatrician as soon as you notice a missed vaccine. This tool flags overdue doses in red to help you identify any that need attention.
Why does the flu vaccine need to be given every year?
Influenza viruses mutate each year, so last year's flu vaccine may not protect against this year's circulating strains. Each autumn, vaccine manufacturers update the formulation to match predicted seasonal strains. The CDC recommends annual flu vaccination starting at 6 months of age. Children under 9 receiving their very first flu vaccine need two doses, given at least 28 days apart, to build adequate initial immunity. After that first season, one dose per year is sufficient. Vaccination in September or October, before flu season peaks, is typically recommended.
What does 'Dose 2 of 5' mean on the schedule?
Most childhood vaccines are given in a series of multiple doses over time rather than as a single injection. This is because a single dose often does not produce full, long-lasting immunity — the immune system needs repeated exposure to the antigen to build strong antibody levels and immune memory. For example, DTaP (the whooping cough vaccine) requires 5 doses given at ages 2 months, 4 months, 6 months, 15–18 months, and 4–6 years. Each dose boosts immunity further. 'Dose 2 of 5' simply means your child is receiving the second injection in that five-shot series.
Is this tool based on the latest CDC recommendations?
Yes. This tool reflects the CDC's 2025 Recommended Childhood Immunization Schedule, reviewed and approved annually by the Advisory Committee on Immunization Practices (ACIP) and endorsed by the American Academy of Pediatrics (AAP) and American Academy of Family Physicians (AAFP). The schedule is updated when new vaccines are approved or existing recommendations change. However, individual children may require a different schedule based on their health history, so your child's pediatrician is the authoritative source for personalized guidance. Always use this tool as a reference and conversation aid, not as a substitute for professional medical advice.