Article ; Online: Comparison of the immunogenicity and protective efficacy of ACAM2000, MVA, and vectored subunit vaccines for Mpox in rhesus macaques.
Science translational medicine
2024 Volume 16, Issue 740, Page(s) eadl4317
Abstract: The 2022-2023 mpox outbreak triggered vaccination efforts using smallpox vaccines that were approved for mpox, including modified vaccinia Ankara (MVA; JYNNEOS), which is a safer alternative to live replicating vaccinia virus (ACAM2000). Here, we compare ...
| Abstract | The 2022-2023 mpox outbreak triggered vaccination efforts using smallpox vaccines that were approved for mpox, including modified vaccinia Ankara (MVA; JYNNEOS), which is a safer alternative to live replicating vaccinia virus (ACAM2000). Here, we compare the immunogenicity and protective efficacy of JYNNEOS by the subcutaneous or intradermal routes, ACAM2000 by the percutaneous route, and subunit Ad35 vector-based L1R/B5R or L1R/B5R/A27L/A33R vaccines by the intramuscular route in rhesus macaques. All vaccines provided robust protection against high-dose intravenous mpox virus challenge with the current outbreak strain, with ACAM2000 providing near complete protection and JYNNEOS and Ad35 vaccines providing robust but incomplete protection. Protection correlated with neutralizing antibody responses as well as L1R/M1R- and B5R/B6R-specific binding antibody responses, although additional immune responses likely also contributed to protection. This study demonstrates the protective efficacy of multiple vaccine platforms against mpox virus challenge, including both current clinical vaccines and vectored subunit vaccines. |
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| MeSH term(s) | Animals ; Vaccinia virus/genetics ; Macaca mulatta ; Mpox (monkeypox) ; Antibodies, Viral ; Smallpox Vaccine ; Vaccines, Subunit | |||||
| Chemical Substances | ACAM2000 ; Antibodies, Viral ; Smallpox Vaccine ; Vaccines, Subunit | |||||
| Language | English | |||||
| Publishing date | 2024-03-27 | |||||
| Publishing country | United States | |||||
| Document type | Journal Article | |||||
| ZDB-ID | 2518854-9 | |||||
| ISSN | 1946-6242 ; 1946-6234 | |||||
| ISSN (online) | 1946-6242 | |||||
| ISSN | 1946-6234 | |||||
| DOI | 10.1126/scitranslmed.adl4317 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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