Spike in US, UK polio cases highlights rare mutation link to oral vaccines - ABC News

Spike in US, UK polio cases highlights rare mutation link to oral vaccines - ABC News
Polio cases originating from mutated virus used in oral vaccines are a new challenge, health experts say.
For years, global health officials have used billions of drops of an oral vaccine in a remarkably effective campaign aimed at wiping out polio in its last remaining strongholds typically, poor, polit… [+6636 chars] Read More



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