接种 MVA-BN 疫苗后 Mpox 抗体反应迅速下降

Ai-ris Collier, Katherine McMahan, Catherine Jacob-Dolan, Jinyan Liu, Erica Borducchi, Bernard Moss, Dan H. Barouch
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引用次数: 0

摘要

在 2022 年 IIb 支痘疫情爆发期间,使用了无复制能力的改良安卡拉-巴伐利亚-北欧疫苗(MVA-BN;Jynneos)。2024 年 8 月 14 日,世界卫生组织宣布刚果民主共和国的 Ib 族 mpox 疫情为国际关注的突发公共卫生事件,这引起了人们对 MVA-BN 疫苗接种后疫苗免疫持久性的质疑。在这项研究中,我们发现 MVA-BN 疫苗产生的 mpox 血清抗体反应在 6-12 个月后基本减弱。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Rapid Decline of Mpox Antibody Responses Following MVA-BN Vaccination
The replication-incompetent modified vaccinia Ankara-Bavarian Nordic vaccine (MVA-BN; Jynneos) was deployed during the 2022 clade IIb mpox outbreak. On August 14, 2024, the World Health Organization declared the mpox clade Ib outbreak in the Democratic Republic of the Congo a public health emergency of international concern, which has raised the question about the durability of vaccine immunity after MVA-BN vaccination. In this study, we show that the MVA-BN vaccine generated mpox serum antibody responses that largely waned after 6-12 months.
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