What type of study is this?

This is a Human Clinical Trial study.

What question did this study set out to answer?

This study aims to evaluate the efficacy of heterologous prime–boost vaccination regimens using an MVA-based vaccine in hamsters.

November 19, 2025Journal of General VirologyOpen Access

Strong immunogenicity and protection against SARS-CoV-2 in hamsters induced by heterologous boost vaccination with an MVA-based COVID-19 vaccine candidate

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Authors

SOSonja OhrnbergerUniversity of Veterinary Medicine Hannover, Foundation CNChristian Meyer zu Natrup SCSabrina Clever

Discussion

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Implication

Animal model demonstrates strong immunogenicity and protection against SARS-CoV-2 in hamsters, indicating MVA-ST's role in enhancing current COVID-19 vaccination.

Key Points

This study aims to evaluate the efficacy of heterologous prime–boost vaccination regimens using an MVA-based vaccine in hamsters.
Hamsters primed with mRNA vaccine BNT162b2 or Ad26.COV2.S were boosted with MVA-ST.
MVA-ST was administered in doses of 10⁸ p.f.u. or 10⁷ p.f.u.
Immunogenicity and protection against SARS-CoV-2 were assessed post-vaccination.
Heterologous regimens induced robust protection against severe SARS-CoV-2 disease.
MVA-ST showed superior immunogenicity compared to homologous vaccination.
Lower doses of MVA-ST still provided strong protection and limited viral shedding.

Cite This Study

Ohrnberger et al. (2025) studied this question.

synapsesocial.com/papers/6924f091c0ce034ddc350931 https://doi.org/10.1099/jgv.0.002180

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Implication

Animal model demonstrates strong immunogenicity and protection against SARS-CoV-2 in hamsters, indicating MVA-ST's role in enhancing current COVID-19 vaccination.

Strong immunogenicity and protection against SARS-CoV-2 in hamsters induced by heterologous boost vaccination with an MVA-based COVID-19 vaccine candidate

Discussion

Member takes

Implication

Key Points

Cite This Study

Strong immunogenicity and protection against SARS-CoV-2 in hamsters induced by heterologous boost vaccination with an MVA-based COVID-19 vaccine candidate

Discussion

Member takes

Implication

Key Points

Cite This Study

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