https://ourworldindata.org/grapher/ipv-vaccine-coverage?tab=chart&country=DEU
The inactivated polio vaccine (IPV1) protects children against polioviruses types 1, 2 and 3. IPV does not replace the Oral Polio Vaccine (OPV), but is used...
one yearshareoldsreceivedinactivated
https://www.sciencedaily.com/releases/2014/07/140711092041.htm
Giving children under 5 years old an extra dose of inactivated polio vaccine (IPV) helps to boost their immunity to the poliovirus and should be added to...
inactivated polio vaccineextradoseboostsimmunity