最佳部署有限的疫苗供应,以控制mopox疫情爆发
Matthew T Berry1, C Raina MacIntyre2,3, Deborah Cromer1
1Infection Analytics Program, Kirby Institute, UNSW Sydney, Kensington, NSW, 2052, Australia.
NPJ vaccines
|November 20, 2025
概括
为了最大限度地预防mopox,部署有限剂量的MVA-BN疫苗的最佳策略取决于高风险群体的风险分层和第一剂的时间.
科学领域:
- 流行病学 流行病学
- 疫苗学 疫苗学 疫苗学
- 公共卫生 公共卫生
背景情况:
- 中部和东非的Mopox疫情宣布成为公共卫生紧急情况.
- MVA-BN疫苗显示出高效率 (74% 1剂量,82% 2剂量).
- 疫苗的有限可用性引发了关于最佳部署策略的疑问.
研究的目的:
- 评估MVA-BN疫苗的双剂量方案或单剂量策略是否最大限度地预防mopox病例.
- 确定影响有限MVA-BN疫苗剂量最佳部署的因素.
主要方法:
- 数学建模用于比较两剂与单剂MVA-BN疫苗策略.
- 从真实世界的研究中分析疫苗有效性数据.
- 包括子群体风险和第一剂后的时间作为关键变量.
主要成果:
- 最佳的mpox预防策略取决于亚种群感染或严重疾病的风险.
- 在高风险亚群中,自第一剂药物注射以来的时间是关键因素.
- 对疫苗部署采取细微的方法比全面的战略更有效.
结论:
- 疫苗的部署应按风险分层进行,以优化mopox病例的减少.
- 对高风险群体进行初始疫苗接种的时间影响了有限的MVA-BN供应的有效性.
- 进一步的研究应该为基于不断变化的风险和疫苗可用性的动态疫苗接种策略提供信息.
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