Polio vaccine, can be divided into two types of vaccine and two types of vaccine, one type of vaccine is the live attenuated polio vaccine, which is commonly known as the “sugar pill”, is the national immunization program vaccine, is free of charge; the second type of vaccine is the inactivated polio vaccine, belongs to the voluntary vaccination vaccine, usually about 200 yuan for a shot, the method of injection is used to carry out. injection method. Poliomyelitis is an acute infectious disease caused by the poliovirus, and vaccination can prevent the spread of poliomyelitis, and the incidence of poliomyelitis is now significantly reduced through vaccination.