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Preventive treatments
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COVID-19 vaccine effectiveness
(Randomized evidence)

Search studies

Search by Vaccine name Author Registration number
Trial Type Comparisons Design Participants Sample size Overall risk
of bias
Highest assessment		 Full description
Intervention 1 Intervention 2
NCT04530396
Gamaleya Research Institute (Sputnik V)
Logunov D, Lancet, 2021 ()
RESIST

Full text
Commentary
; Commentary
; Commentary
 Non replicating viral vector

Gam-COVID-Vac rAd26-S

Placebo D0/21

 RCT
Phase 3 		SARS-CoV-2- and HIV infection-free adult volunteers at 25 centers in Russia N=21977
Some concerns
Details

Full description