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Vaccine-Derived Poliovirus Outbreaks
- throwawaybutwhy 6y agoSee also: UN says new polio outbreak in Sudan caused by oral vaccine (Associated Press). [0]: https://apnews.com/619efb65b9eeec5650f011b960a152e9 https://apnews.com/619efb65b9eeec5650f011b960a152e9