Immunization Schedule: Timely Vaccinations & Its Significance

Stay informed about the recommended immunization schedule for children, adults, and seniors. Ensure timely vaccinations to protect against various diseases and maintain overall health.
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3 min
22-08-2024
Immunization is one of the most effective ways to protect individuals from a variety of infectious diseases. By receiving vaccines at specific intervals, the immune system is primed to recognise and combat dangerous pathogens, preventing outbreaks and maintaining public health. An immunization schedule is a crucial tool that guides healthcare providers and parents on when vaccines should be administered. Whether it’s for newborns, infants, or adults, following an immunization schedule is vital for ensuring optimal health. The purpose of this article is to shed light on the importance of adhering to the immunization schedule, and how you can effectively manage it.

What is an immunization schedule?

An immunization schedule is a timeline that outlines the specific vaccines an individual should receive at various stages of life. This schedule is typically developed by health authorities, such as the World Health Organization (WHO) or the Centers for Disease Control and Prevention (CDC), and is based on extensive research on the safety and effectiveness of vaccines. The schedule starts from birth and continues throughout adulthood, with vaccines tailored to the age, health status, and risk factors of the individual.

Also, read: Covishield vs Covaxin

What is the importance of following the immunization schedule?

Adhering to the immunization schedule is crucial for several reasons:

1. Protection against diseases:

Vaccines are designed to provide immunity before individuals are exposed to potentially life-threatening diseases. Following the schedule ensures that immunity is developed in a timely manner.

2. Prevention of outbreaks:

High vaccination rates within a community help to achieve herd immunity, which reduces the spread of contagious diseases and protects those who cannot be vaccinated due to medical conditions.

3. Long-term health benefits:

Immunizations provide lifelong protection against certain diseases, reducing the risk of complications and the burden on the healthcare system.

4. Legal and school requirements:

Many schools and childcare centers require up-to-date immunizations for enrollment. Staying on schedule helps meet these legal requirements and ensures children are protected in group settings.

5. Health insurance coverage:

A few health insurance plans also cover the cost of vaccines listed in the immunization schedule, making it more affordable for individuals and families to stay protected.

How to keep track of your child's immunization schedule?

Keeping track of your child's immunization schedule can be overwhelming, especially with multiple vaccines administered over the years. Here are some tips to help you stay organised:

1. Consult your pediatrician:

Regular visits to the pediatrician will keep you informed about upcoming vaccines and any necessary boosters.

2. Use a vaccine tracker:

Many healthcare providers offer vaccine tracking apps or paper-based records to monitor your child’s vaccination history.

3. Set reminders:

Schedule reminders for upcoming immunizations on your phone or calendar to ensure you don’t miss important appointments.

4. Keep records safe:

Store vaccination records in a safe place and bring them to every medical appointment. This will help avoid unnecessary repeat vaccinations.

5. Check health insurance coverage:

Verify that your health insurance plan covers the vaccines on the schedule and understand any co-payments or deductibles that may apply.

Immunization schedule for newborns and infants

The immunization schedule for newborns and infants is critical as it protects them during the early stages of life when they are most vulnerable. Given below is the immunization schedule as released under the National Health Mission (NHM):

AgeVaccine given
BirthBacillus Calmette Guerin (BCG), Oral Polio Vaccine (OPV)-0 dose, Hepatitis B birth dose
6 weeksOPV-1, Pentavalent-1, Rotavirus Vaccine (RVV)-1, Fractional dose of Inactivated Polio Vaccine (fIPV)-1, Pneumococcal Conjugate Vaccine (PCV) -1
10 weeksOPV-2, Pentavalent-2, RVV-2
14 weeksOPV-3, Pentavalent-3, fIPV-2, RVV-3, PCV-2
9-12 monthsMeasles & Rubella (MR)-1, JE-1, PCV-Booster*


A detailed breakup of vaccination and the age for vaccination to be given, in case of pregnant women, infants and children has been given below:

For pregnant women
VaccineWhen to give
Tetanus & adult Diphtheria (Td) - 1Early in pregnancy
Td-24 weeks after Td-1
Td- BoosterIf received 2 TT/Td doses in a pregnancy within the last 3 years*


For infants
VaccineWhen to give
Bacillus Calmette Guerin (BCG)At birth or as early as possible till one year of age
Hepatitis B - birth doseAt birth or as early as possible within 24 hours
Oral Polio Vaccine (OPV) - 0At birth or as early as possible within the first 15 days
OPV 1, 2 and 3At 6 weeks, 10 weeks, and 14 weeks(OPV can be given till 5 years of age)
Pentavalent 1, 2 and 3At 6 weeks, 10 weeks, and 14 weeks(can be given till one year of age)
Pneumococcal Conjugate Vaccine (PCV)Two primary doses at 6 and 14 weeks followed by booster dose at 9-12 months
Rotavirus (RVV)At 6 weeks, 10 weeks and 14 weeks (can be given till one year of age)
Inactivated Polio Vaccine (IPV)Two fractional dose at 6 and 14 weeks of age
Measles Rubella (MR) 1st dose9 completed months-12 months. (Measles can be given till 5 years of age)
Japanese Encephalitis (JE) - 19 completed months - 12 months
Vitamin A (1st dose)At 9 completed months with measles - Rubella


For children
VaccineWhen to give
Diphtheria, Pertussis and Tetanus (DPT) booster-116-24 months
MR 2nd dose16-24 months
OPV Booster16-24 months
JE-216-24 months
Vitamin A (2nd to 9th dose)16-18 months. Then one dose every 6 months up to the age of 5 years.
DPT Booster-25-6 years
Td10 years and 16 years


Read more: Intensified Mission Indradhanush

Recommended immunization schedule for adults

Immunization isn’t just for children; adults also need to follow a recommended schedule to protect themselves and others. Some key vaccines for adults include:

  • Influenza (Flu) vaccine:
Annually: Especially important for older adults, pregnant women, and those with chronic health conditions.

  • Tetanus, Diphtheria, and Pertussis (TDaP):
Every 10 years: A booster is recommended to protect against tetanus, diphtheria, and whooping cough.

  • Shingles (Herpes Zoster):
Two doses: Recommended for adults aged 50 and older, given 2-6 months apart.

  • Pneumococcal vaccine:
PCV13 and PPSV23: Recommended for adults 65 and older or those with certain health conditions.

  • Human Papillomavirus (HPV):
Three doses: Recommended for adults up to age 26 who have not completed the series during adolescence.

  • Hepatitis A and B:
Series of doses: Recommended for adults at risk, such as travelers or those with chronic liver disease.

Side effects of vaccines in the immunization schedule

While vaccines are generally safe, some individuals may experience side effects. These side effects are typically mild and short-lived, but it’s important to be aware of them:

1. Common side effects:

  • Fever: A mild fever is common after vaccination.
  • Soreness at injection site: Redness and swelling may occur at the injection site.
  • Fatigue: Some individuals may feel tired after receiving a vaccine.

2. Less common side effects:

  • Allergic reactions: Though rare, some people may experience an allergic reaction to a vaccine.
  • Fainting: Some individuals, particularly adolescents, may faint after a vaccination.

3. Managing side effects:

  • Pain relief: Over-the-counter pain relievers like acetaminophen or ibuprofen can help alleviate discomfort.
  • Cool compress: Applying a cool compress to the injection site can reduce swelling.

4. When to seek medical attention:

If you or your child experience severe side effects, such as difficulty breathing or high fever, seek medical attention immediately.

Also, read: Register for COVID vaccine in India

How to update and modify your immunization schedule?

Life circumstances, such as travel, pregnancy, or health conditions, may require updates or modifications to your immunization schedule. Here’s how to manage these changes:

  • Consult with your healthcare provider: Before making any changes, discuss your immunization history and any new health risks with your healthcare provider.
  • Travel vaccinations: If you’re traveling to a country where certain diseases are prevalent, you may need additional vaccines. Your healthcare provider can update your schedule accordingly.
  • Pregnancy and immunization: Some vaccines are recommended during pregnancy to protect both the mother and the baby. Consult your healthcare provider to update your schedule.
  • Health insurance considerations: Ensure that any additional vaccines are covered by your health insurance plan, and understand the costs associated with them.
  • Keep records updated: After receiving any new vaccines, make sure your records are updated and stored safely for future reference.
Read more: Health insurance for children

Following the immunization schedule is essential for protecting yourself and your loved ones from preventable diseases. Whether it’s for newborns, infants, or adults, staying on schedule ensures timely immunity and contributes to public health. Additionally, understanding the role of health insurance in covering vaccines can help reduce the financial burden of immunization. By staying informed, keeping accurate records, and consulting with healthcare providers, you can navigate the immunization process smoothly and maintain optimal health throughout life.

Frequently asked questions

What vaccines are included in the standard immunization schedule?
The standard immunization schedule typically includes vaccines for Hepatitis B, DTaP (Diphtheria, Tetanus, and Pertussis), IPV (Polio), MMR (Measles, Mumps, Rubella), Hib (Haemophilus influenzae type b), Varicella (Chickenpox), and PCV (Pneumococcal Conjugate).

How often should the immunization schedule be updated?
The immunization schedule should be updated periodically, especially when new vaccines are introduced or if there are changes in vaccine recommendations based on age, health status, or emerging health risks.

What should I do if I miss a scheduled vaccination?
If you miss a scheduled vaccination, consult your healthcare provider as soon as possible. They can guide you on how to catch up with the missed dose, ensuring continuous protection without restarting the entire series.

Are there different immunization schedules for different age groups?
Yes, immunization schedules are tailored for different age groups, including infants, children, adolescents, and adults. Each schedule is designed to provide age-appropriate protection against specific diseases based on risk factors and health needs.

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