ArticleNPJ vaccines2025
A single-dose mRNA vaccine protects mice from lethal Crimean-Congo hemorrhagic fever virus infection.
Article in NPJ vaccines, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
16 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Crimean-Congo hemorrhagic fever virus (CCHFV) is a tick-borne virus of the Orthonairovirus genus, Nairoviridae family, that causes severe febrile hemorrhagic disease in humans with a case fatality rate ranging from approximately 3-30%. This zoonotic pathogen is distributed across a broad geographic area spanning Asia, Europe, and Africa. Despite its significant public health threat and outbreak potential, no licensed vaccines are available. In this study, we developed and systematically assessed the immunogenicity and protective efficacy of mRNA vaccines encoding either CCHFV nucleoprotein (NP) or glycoprotein precursor (GPC) in mouse models. Vaccination with the NP-encoding mRNA alone provided complete protection against lethal cross-genotype CCHFV challenge. Moreover, combined vaccination with both the NP and GPC mRNAs elicited robust immune responses and conferred protection against CCHFV infection. Notably, a single-dose immunization with 2 μg mRNA-NP was sufficient to confer protection against lethal challenge. Furthermore, the passive transfer of NP-immune serum provided partial protection, supporting the role of NP-specific antibodies in mediating protection. Overall, these mRNA vaccines demonstrate protective efficacy against CCHFV, with combined antigenic protection and dose-sparing potential, highlighting their potential for outbreak preparedness and further clinical development.
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