Vaccine-derived polio spreads in Africa after defeat of wild virus Posted by refresher on Thursday September 03, 2020 @03:17AM from the theguardian.com dept. https://www.theguardian.com/global-development/2020/sep/02/vaccine-derived-polio-spreads-in-africa-after-defeat-of-wild-virus ( no comments | 5 points | on HN )
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