polio vaccine造句怎麼寫

Laboratory stocks must be contained and safe management of the wild virus in inactivated polio vaccine (IPV) manufacturing sites must be assured before the world can be certified polio-free.

This is also thanks to an extraordinary scientific effort: the rapid development of two new polio vaccines that are now available for use by all countries.

One of the polio vaccines is a killed vaccine.

oral polio vaccine

GACVS was informed of the programme's decision to stop oral polio vaccine use after certification of eradication in light of the adverse effects associated with its long-term use.