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Concepts Covered: Details of Vaccination, father of Vaccination, Immunisation process, Difference between Vaccination & Immunisation, Who invented a vaccine against Rabies? Polio vaccine and its types? program organized by WHO in 1974, program organized by India in 1985 related to Vaccine For more such videos go to https://www.youtube.com/channel/UC3HS6gQ79jjn4xHxogw0HiA