National Vaccination Day is observed on which date?

1.	National Vaccination Day is observed on which date?
Answer» Every year on the 16th of March, India observes National Vaccination Day. The day is also known as National Immunization Day, and the reason for 16th March to be the date this day is observed is the fact that on this very day in the year 1995, the first dose of an oral vaccine against polio was given in India.

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