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Published in 2017 at "Chinese Medical Journal"
DOI: 10.4103/0366-6999.196575
Abstract: Since the World Health Assembly endorsed a plan to completely eradicate polio in 1988, the largeāscale use of the attenuated oral poliovirus vaccine (OPV) has drastically decreased the number of polio cases. However, the OPV…
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Keywords:
associated type;
vaccine strains;
polio vaccine;
polio ... See more keywords