TBB BUREAU NEW DELHI, JANUARY 31, 2021 President Ram Nath Kovind launched the National Polio Immunisation Day for 2021 by administering polio drops to children less than five years old at Rashtrapati Bhawan yesterday.   Today is the Polio National Immunization Day, also known as ‘’Polio Ravivar”. As per provisional report on Day 1, close to 89 lakh children under five ...

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