Bill Gates: 从马拉维到美国，新的脊髓灰质炎病例提醒我们，在我们永远#EndPolio 之前，它仍然是对我们所有人的威胁。 b-gat.es/3v4EFuv

原推：From Malawi to the United States, new cases of polio are a reminder that until we #EndPolio for good, it remains a threat to all of us. b-gat.es/3v4EFuv
https://twitter.com/BillGates/status/1550508581295775744