16 March observed as a National Vaccination Day every year in India, to convey the importance of vaccination to the entire nation. The day also known as  National Immunization Day. The prime purpose behind the celebration of the Day is to make all people aware of arming against polio and eradicating it completely from the world. In the year 2021, the Day is important as the country has started its biggest Covid-19 immunization programme.


The National Vaccination Day was first observed in 1995. It was in 1995 that India started the Pulse Polio Programme and the first dose of Oral Polio Vaccine was given. According to the WHO, immunization is a process through which an individual’s immune system becomes fortified against foreign harm causing agent.

What is the Vaccination?

It is the most effective method of preventing highly infectious diseases. Extensive immunity due to vaccination is mostly responsible for the worldwide eradication of smallpox and the restraint of diseases such as polio, measles, and tetanus from a large amount of the world. The WHO informs that licensed vaccines are currently available to prevent or add to the prevention and control of 25 preventable infections

16 March National Vaccination Day