Bull World Health Organ. 2012 Jul 1;90(7):482-3. doi: 10.2471/BLT.12.020712.
Countries have endorsed a plan for the polio endgame, one that hinges on making inactivated polio vaccine more affordable for low- and middle-income countries.
各国已支持脊髓灰质炎终结计划,该计划的关键是使中低收入国家更负担得起灭活脊髓灰质炎疫苗。