全球协调停止口服脊髓灰质炎疫苗使用:选择和潜在后果
Dominika A Kalkowska1, Steven G F Wassilak2, Eric Wiesen2
1Kid Risk Inc., Orlando, Florida, USA.
概括
终止口服脊髓灰质炎疫苗 (OPV) 的使用对于消除脊髓灰质炎至关重要. 在停止之前加强双价OPV (bOPV) 免疫接种对于成功至关重要,因为建模表明没有其他停止选择可能起作用.
科学领域:
- 流行病学 流行病学
- 公共卫生 公共卫生
- 疫苗学 疫苗学 疫苗学
背景情况:
- 全球脊髓灰质炎根除倡议 (GPEI) 旨在通过停止所有口服脊髓灰质炎疫苗 (OPV) 的使用来结束脊髓灰质炎.
- 2型OPV (OPV2) 停止发生在2016年,但双价OPV (bOPV) 停止计划尚未定义.
- 持续的2型脊髓灰质炎病毒传播需要继续使用OPV2来应对疫情,这使根除工作复杂化.
研究的目的:
- 审查对双价OPV (bOPV) 戒断策略的建模.
- 探索免疫选项,以获得成功的bOPV终止.
- 为全球脊髓灰质炎根除倡议的终结策略提供信息.
主要方法:
- 发表的综合全球风险,经济和脊髓灰质炎病毒传播建模的审查.
- 在2027年全球协调的bOPV停止的潜在后果的建模.
- 免疫选项的分析,以在停止之前增加人口免疫力.
主要成果:
- 如果没有先前的bOPV强化,任何bOPV停止选择都不可能成功.
- 通过bOPV强化增加人群免疫力对于成功戒毒至关重要.
- 建模支持对bOPV停止进行战略规划的需要.
结论:
- 全球协调的bOPV停止需要一个停止前的强化战略.
- 有效的脊髓灰质炎根除取决于战略性停止疫苗接种和人口免疫.
- 需要进一步的建模和规划,以确定最佳的bOPV戒断途径.
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