National vaccination day 2021 also called as National immunization day .This day is celebrated for taking vaccination for pendamic diseases or for nay kind vaccination related on any sort of health issues but the reason is to bring this day : To eradication of polio from the earth planet .it was observed first on March 15, 1995 when the First dose of Oral polio vaccine has given .on this occasion we must not forget to take a vaccination of Covid too .Health is the wealth ,and taking a one pledge can resolve many thing .