COVID-19 vaccine effectiveness
(Randomized evidence)

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Trial Type Comparisons Design Participants Sample size Overall risk
of bias
Highest assessment
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Intervention 1 Intervention 2
NCT04527575
EpiVac LLC; VECTOR
Ryzhikov AB, Infektsiia Immun, 2021

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Commentary
Protein subunit

EpiVacCorona

Placebo

RCT
Phase 2
Healthy adult SARS-CoV-2 infection-free volunteers in a single center in Russia. N= 86
Some concerns
Details

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