World Immunization Day 10 November 2023 - Importance, Theme & History
World Immunisation Day is a global healthcare awareness event observed on the 10th of November every year, intended to create awareness of the significance of immunisation by getting timely vaccination and how it can be prevented from different diseases.
The World Health Organisation (WHO), in association with various international and local groups, joined hands together in this worldwide event to conduct various events, workshops, seminars to create awareness of immunisation.
Importance of World Immunization Day
Immunisation is a primary component of health care and an indisputable human right. Vaccines have saved millions of lives, particularly in underserved areas of the world, and have emerged as perhaps the most cost-effective health intervention in human history.
Moreover, vaccinations are essential for preventing and managing infectious diseases outbreaks. The vaccines are crucial tools in the fight against antibiotic resistance and support the security of global health.
Despite being one of the most effective public health initiatives, vaccination rates plateaued ten years before COVID-19. Health systems suffered severe setbacks in 2020 and 2021 due to the COVID-19 pandemic, related disruptions, and vaccination campaigns.
In 2022, about 84% of infants worldwide (11 crore) received three doses of the diphtheria-tetanus-pertussis (DTP3) vaccine, which protects against infectious diseases that can be deadly or cause major illness and disability.
As per the World Health Organization, vaccinations prevent approximately 35 to 50 lakh deaths annually and protect children not only from diseases like measles, polio, tetanus, and diphtheria, for which vaccines have been around for a long time, but also from infections like pneumonia and rotavirus diarrhoea, which are among the leading causes of death for children under five. World Immunization Day is celebrated to raise awareness of immunisation as a low-tech, affordable, and highly effective way to protect people of all ages from diseases.
History of World Immunisation Day
The initiation of the first World Immunisation Day is not known. Understanding the importance of obtaining active immunity (immunisation), the ancient Turks developed variolation, whereby material from a smallpox pustule was inoculated into healthy individuals. However, rather than protecting people, variolation caused widespread outbreaks.

In 1798, when Edward Jenner published the results of his research in smallpox, describing how inoculation of vaccinia (cowpox) would enable healthy people to be effectively immunised against smallpox, a way for safe immunisation was created.
Benefits of Immunisation
Here are some benefits of immunisation:
- Protecting from deadly diseases
- Wiping fatal diseases from the globe
- Stopping the spread of diseases
- A cost-effective way of disease prevention
- Reducing antibiotic resistance
- A safe way of disease prevention
- Protecting future generations
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