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  • Published on 19 Sep, 2022

    Updated on 19 Mar, 2025

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    7 min Read

Vaccines stimulate the production of antibodies and provide immunity against several diseases. They are usually prepared from the disease-causing agent or a substitute, treated to act as an antigen without inducing the disease. Vaccines have prevented countless diseases and saved millions of lives over the years. Vaccines are available for various ailments for infants, children, adolescents, and adults, depending on health conditions.

What are Vaccines?

Vaccines are medical treatments that help the body's immune system recognize and fight diseases. They stimulate the production of antibodies in the body, providing immunity against specific diseases.

Did you know that vaccines for adults are just as important as for children? They help protect against serious diseases like flu, pneumonia, and even cancer, keeping you healthier for longer. A vaccine contains weakened or synthetically made versions of germs or parts of germs. When a vaccine is administered, the immune system responds to the antigens in the same way as it would to the actual germ

What is Immunisation?

Immunisation makes the body resistant to diseases, usually through vaccines. Through immunization, the immune system is stimulated to identify pathogens, viruses, or bacteria. The body produces a self-immune response by creating antibodies. Immunisation also helps prevent serious health issues like measles, polio, and tetanus. It reduces the spread of contagious diseases. According to a report by WHO, 154 million lives have been saved in the last 50 years by global immunisation.

National Immunisation Day

National Immunisation Day, or National Vaccination Day, is celebrated in India on March 16 each year. This day commemorates the introduction of Polio vaccines in India, leading to the launch of the Pulse Polio Immunisation Programme in 1995.

National Immunisation Day highlights the efforts of healthcare workers who ensure vaccination for every child. Each year, government authorities set specific themes that emphasize the necessity of safe and effective vaccinations to safeguard all human lives from preventable diseases, regardless of age, gender, location, or socioeconomic status.

What are the Benefits of Vaccination?

Understanding the benefits of vaccines is crucial in safeguarding your health and preventing serious diseases. Vaccination helps the body stop an infection before it starts. It is one of the most effective public health interventions ever developed.

  • Vaccination is important to prevent the spread of infectious illnesses within populations.
  • It also enhances immunity to specific viruses or bacteria.
  • Vaccination protects vulnerable populations, such as infants, older adults, and immunocompromised individuals.
  • Vaccination is an inexpensive public health measure that saves lives and prevents long-term health consequences caused by infectious diseases.

Types of Vaccines

Below are the vaccines recommended and authorised by most government bodies and doctors to keep people safe from outbreaks in the future:

Vaccine Disease Symptoms and effects

Varicella vaccine

Chickenpox

  • Chickenpox is a contagious disease caused by the varicella-zoster virus.
  • Causes blister-like rashes, fatigue, itching, and fever.
  • One dose prevents 95% of moderate disease and 100% of severe disease.

Toxoid vaccine

Diphtheria

  • Diphtheria is a harmful infection caused by strains of bacteria called Corynebacterium diphtheriae.
  • The toxin causes serious illness.
  • A safe vaccine for Diphtheria.

Nasovac-S Vaccine

Flu (influenza)

  • Flu is a severe respiratory illness caused by influenza viruses that infect the throat and nose and attack the lungs.
  • Can cause mild to severe illness, potentially leading to hospitalisation or death.

Biovac A Vaccine

Hepatitis A

  • It is a liver-related disease caused by the Hepatitis A Virus (HAV).
  • 95% effective, providing protection for at least twenty years or possibly a lifetime.

Energix B, and Recombivax HB

Hepatitis B

  • It is a severe disease caused by a virus that directly attacks the liver.
  • It can cause lifelong infection, cirrhosis of the liver, liver cancer, liver failure, and death.

Hib Conjugate Vaccine

HPV (Human Papillomavirus)

  • The virus that causes HPV infection is transmitted through skin-to-skin contact.
  • This vaccine is recommended to prevent invasive disease caused by Haemophilus influenzae type b.

Tresivac

Measles

  • It is a contagious ailment caused by a virus that spreads if the infected person coughs or sneezes.
  • It starts with a cough, runny nose, red eyes, and fever, and then a rash of tiny, red spots breaks out.
  • It is for active immunisation against Measles, Mumps and Rubella in at-risk children, adolescents and young adults.

Meningococcal conjugate vaccine

Meningococcal

  • This illness is often severe and can be deadly as it includes infections of the lining of the brain and spinal cord (meningitis) and bloodstream.

MMR vaccine

Mumps

  • It is an infectious viral disease causing swelling of the salivary glands in the face and risk of sterility in adult males.

Pulse Polio

Polio (Poliomyelitis)

  • Polio is a disabling and potentially deadly disease caused by the poliovirus.
  • It spreads from person to person and can infect a person’s spinal cord, causing paralysis.

Tetanus Vaccine

Tetanus (Lockjaw)

  • Tetanus is a potentially fatal bacterial infection affecting nerves.

Covieshield and Covaxin

Covid-19

  • This disease (COVID-19) is an infectious and contagious disease caused by the SARS-CoV-2 virus.
  • It can spread in small liquid particles from an infected person’s mouth or nose.
  • These particles range from larger respiratory droplets to smaller aerosols.

Pneumococcal

Pneumonia

  • Pneumococcal protects against bacterial infections like pneumonia, meningitis, ear infections, sinusitis, and bloodstream infections.
  • It doesn't cause infections or treat them.

BCG

Tuberculosis (TB)

  • BCG vaccine may also help the immune system kill cancer cells and is being studied in the treatment of melanoma.

Human papillomavirus vaccine

Genital warts and other HPV-caused cancers

  • It prevents infection with HPV, a group of viruses that can cause genital warts and certain types of cancer.

Rabies vaccine

Rabies virus

  • Soreness, redness, swelling, or itching at the injection site, headache, nausea, abdominal pain, muscle aches, or dizziness can occur after the rabies vaccine.

Engerix-B, Heplisav-B, and Recombivax HB

Hepatitis B

  • Gives 80 to 100% protection from the disease.
  • Side effects are usually mild and include fever, loss of appetite, headache, soreness, tiredness, and or redness at the injection site

Rotarix (RV1), RotaTeq (RV5)

Rotavirus

  • Protects from severe rotavirus symptoms like diarrhoea and dehydration and reduces the risk of severe illness.
  • Mild vomiting, irritability, and fever are common side effects.

What are the Common Side Effects of Vaccines?

Most side effects after vaccination are mild and indicate your body is building immunity. Common side effects include:

  • Redness, swelling, or redness on injection location
  • Mild fever
  • Headache
  • Muscle and joint aches
  • Chills
  • Feeling tired
  • Fainting

As COVID-19 vaccines continue to play a vital role in managing the global pandemic, three vaccines have gained significant attention in India: Covaxin, Covishield, and Sputnik V.

Comparison of Covaxin, Covishield, and Sputnik V

A common topic of discussion has been the differences between vaccines. People are confused about which jab they should get, as there have been endless speculations regarding the efficacies of COVID-19 vaccines against coronavirus.

The following table provides a detailed comparison of Covaxin, Covishield, and Sputnik V.

Feature Covishield Covaxin Sputnik V
Developer University of Oxford & AstraZeneca, produced by Serum Institute of India Bharat Biotech in collaboration with ICMR-NIV Gamaleya Research Institute, Russia
Type Viral vector vaccine (adenovirus-based) Inactivated virus vaccine with immune-potentiators Viral vector vaccine (adenovirus-based, two different vectors)
How it Works Contains a genetic part of the coronavirus to stimulate an immune response Uses vaccine adjuvants to enhance immune response and provide protection Uses two different adenoviral vectors for two doses to build stronger immunity
Efficacy 70.4% (up to 90% after both doses) 93.4% (against severe COVID-19), 63.6% (against asymptomatic cases) 91.6%
Doses Two doses of 0.5 ml, 12-16 weeks apart Two doses, 28 days apart Two doses, 21 days apart
Age Eligibility 12 years and above 18 years and above 18 years and above
Common Side Effects Pain, tenderness, or itching at injection site, fever, chills, fatigue, nausea, joint pain, sore throat, diarrhoea Redness at injection site, stiffness in upper arm, fever, tiredness, body ache Fatigue, chills, fever, sore throat, redness, itchiness at injection site, muscle pain
Manufacturer Serum Institute of India Bharat Biotech Gamaleya Research Institute, Russia

Post-Vaccination Guidelines and Health Measures

Post-vaccination care is important for all vaccines. One must take care of their body after a few days of getting vaccinated in the following ways:

Category Recommendations
Stay Hydrated Staying hydrated can help manage side effects such as fatigue, fever, and muscle aches. Dehydration weakens the immune system, so proper hydration aids recovery.
Modify Exercise It is recommended to avoid high-intensity workouts for 48-72 hours after vaccination to prevent prolonged muscle soreness. Resting won’t affect fitness progress but will help your body heal.
Eat a Balanced Diet Consume a balanced diet of home-cooked meals rich in proteins, iron, vitamins, and healthy carbohydrates (such as dal, meat, paneer, vegetables, roti, and rice). It is also advisable to avoid processed and raw foods to minimize the risk of infections.
Prioritise Sleep Adequate sleep (7-8 hours) is important for antibody production and vaccine effectiveness.
Avoid Alcohol & Smoking It is advisable to avoid alcohol and tobacco, as they can worsen side effects and weaken the immune response.

How To Register For COVID-19 Vaccine in India?

The government has also eased the vaccination registration by launching the CoWIN portal.

  1. Download the Aarogya Setu app and go to the CoWIN tab.
  2. Select Register Now and enter your phone number to verify with OTP.
  3. After verification, fill in your personal details (name, age, gender, photo ID proof like Aadhaar or voter ID).
  4. Provide eligibility proof: Register if you're 60+ or confirm comorbidities for those 45+ with a medical certificate.
  5. You can register up to 4 beneficiaries and schedule appointments by selecting a nearby vaccination centre.
  6. Choose your preferred date and time, then confirm your booking.
  7. Receive an appointment confirmation and details on your registered phone number.

Vaccines and Need for Health Insurance

While vaccines offer significant protection against severe COVID-19, including reducing hospitalization and the risk of death, it's important to note that breakthrough infections can still occur, and individuals may carry the virus asymptomatically. The COVID-19 pandemic highlights the need for health insurance to protect against emergencies. A good health insurance plan covers critical illnesses, including COVID-19, and offers benefits like cashless hospitalization, medical expenses, and tax savings. Health insurance is particularly vital for seniors. Care Senior offers comprehensive coverage with affordable premiums, helping secure health and financial well-being, including coverage for medical expenses that may arise even after vaccination.

In a Nutshell

Exploring the vaccines benefits can help you make informed decisions to protect yourself and your loved ones. Immunisations are a fundamental part of primary health care and an absolute human right. It is also one of the indispensable health investments that can’t be avoided.

While getting vaccinated and understanding different types of vaccines is necessary, one should always be aware of getting comprehensive health insurance in place to get financial assistance for unforeseen medical emergencies. Care Health Insurance ensures you don't have to spend out of your pocket for hospitalisation expenses and be financially burdened. So, ensure you know the vaccinations that prevent critical illnesses and the importance of investing in health insurance.

Disclaimer: The information mentioned above is for reference purposes only. Consult your doctor or health expert before deciding on any vaccination/immunisation.

  • Need Assistance? We Will Help!

  • Q. Why must senior citizens get the COVID-19 vaccination?

    Due to a weak immune system, they are more vulnerable to the virus. The COVID-19 vaccine boosts immunity by developing antibodies, reducing the risk of infection.

    Q. What are the top myths about the COVID-19 vaccine?

    It’s unsafe, causes severe side effects, and affects fertility. Fully vaccinated people can skip masks and precautions. Young adults don’t need it, and those who’ve recovered from COVID-19 don’t require vaccination.

    Q. What are the healthy foods to consume after you get the vaccine shot?

    Fruits, whole grains, green vegetables, and water boost immunity and ensure good health after a vaccine shot.

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