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WHO Coordinating Program To Phase Out Oral Polio Vaccine To Help Prevent Vaccine-Derived Cases

NPR: The Oral Polio Vaccine Can Go ‘Feral,’ But WHO Vows to Tame It
“…The number of vaccine-derived polio cases relative to the hundreds of millions of doses of oral polio vaccine administered each year is incredibly low. In 2014, there were 56 vaccine-derived cases reported globally. But 56 starts to sound like a lot when the number of regular polio cases has fallen to just a couple dozen a year. So last month the World Health Organization announced the beginning of a program to phase out oral polio vaccine and eventually switch to the injectable version, which contains no live virus…” (Beaubien, 11/10).