Polio vaccine
Polio vaccine is a vaccine used to prevent poliomyelitis (polio). Two types are used: an inactivated poliovirus given by injection (IPV) and a weakened poliovirus given by mouth (OPV).
Polio vaccine is a vaccine used to prevent poliomyelitis (polio). Two types are used: an inactivated poliovirus given by injection (IPV) and a weakened poliovirus given by mouth (OPV).
Polio vaccine is a vaccine used to prevent poliomyelitis (polio). Two types are used: an inactivated poliovirus given by injection (IPV) and a weakened poliovirus given by mouth (OPV).
Source: Wikipedia "Polio vaccine" · CC BY-SA 4.0
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