Neutralization Activity of Standard and Hyperimmune Intravenous Immunoglobulins Against Recently Circulating SARS-CoV-2 Variants.

Publication date: Jul 17, 2025

Our study demonstrates that IVIG lots manufactured in 2023-2024 contain neutralizing antibodies against circulating Omicron variants, including KP. 3 and XEC. These variants are resistant to all convalescent plasma and IVIG preparations produced prior to 2023. Therefore, recent IVIG lots may provide some protection against COVID-19 caused by circulating SARS-CoV-2 variants.

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Concepts Keywords
Basel antibody therapy
Convalescent convalescent plasma
Immunoglobulins COVID-19
Plasma immunoglobulins
SARS-CoV-2
treatment
variants

Semantics

Type Source Name
drug DRUGBANK Immune Globulin Human
disease MESH COVID-19
drug DRUGBANK Silver
disease MESH morbidity
disease IDO immunodeficiency
disease MESH syndromes
disease MESH infectious diseases
disease IDO blood
disease MESH infections
disease IDO history
drug DRUGBANK Ethanol
disease IDO infection
disease MESH breakthrough infections
disease IDO assay
drug DRUGBANK Aspartame

Original Article

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