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SARS-CoV-2 hyperimmune intravenous human immunoglobulins neutralizes Omicron subvariants BA.1, BA.2, BA.2.12.1, BA.3 and BA.4/BA.5 for treatment of COVID-19
Clinical Infectious Diseases ( IF 11.8 ) Pub Date : 2022-08-04 , DOI: 10.1093/cid/ciac642
Mayanka Awasthi 1 , Hana Golding 1 , Surender Khurana 1
Affiliation  

Our study demonstrates that neither 2020-convalescent plasma (CP) nor 2019/2020-immunoglobulin (IVIG) neutralize Omicron subvariants BA.1 to BA.5. In contrast, hyperimmune 2020-hCoV-2IG lots neutralized Omicron VOCs, similar to 2022-CP from BA.1 breakthrough infections. Therefore, high-titer hCoV-2IG and CP could be evaluated for treatment of high-risk individuals infected with circulating Omicron subvariants.

中文翻译:

SARS-CoV-2 超免疫静脉注射人免疫球蛋白中和 Omicron 亚变体 BA.1、BA.2、BA.2.12.1、BA.3 和 BA.4/BA.5 用于治疗 COVID-19

我们的研究表明,2020 年恢复期血浆 (CP) 和 2019/2020 年免疫球蛋白 (IVIG) 都不能中和 Omicron 亚变体 BA.1 至 BA.5。相比之下,超免疫 2020-hCoV-2IG 批次中和了 Omicron VOC,类似于来自 BA.1 突破性感染的 2022-CP。因此,可以评估高滴度 hCoV-2IG 和 CP 对感染循环 Omicron 亚变体的高危个体的治疗效果。
更新日期:2022-08-04
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