MVA/S

A candidate COVID-19 viral vector vaccine.

Phase of research

Potential treatment - pre-clinical evidence

How it helps

Vaccine

Drug status

Experimental

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Contradictory references
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Clinical trials

General information

MVA/S is a candidate COVID-19 vaccine. It is based on a modified vaccinia Ankara (a highly attenuated strain of vaccinia virus) vector expressing membrane-anchored pre-fusion stabilized SARS-CoV-2 Spike protein (Routhu et al., 2021).

 


Supporting references

Link Tested on Impact factor Notes Publication date
A modified vaccinia Ankara vector-based vaccine protects macaques from SARS-CoV-2 infection, immune pathology, and dysfunction in the lungs
Spike protein Animal model Mixed substance
Female BALB/c mice; male Indian rhesus macaques; infectious clone SARS-CoV-2; SARS-CoV-2 strain 2019-nCoV/USA_WA1/2020 22.55

The vaccine elicited potent anti-SARS-CoV-2 neutralizing antibody and T cell responses in mice and macaques. IFNγ+ CD8 T cell response was dominant in macaques and the immunization protected their lungs in a SARS-CoV-2 challenge. An analysis of macaque bronchoalveolar lavage cells showed decreased inflammatory response in vaccinated animals compared to a non-vaccinated control.

Feb/03/2021

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