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Efficacy Estimates for Various COVID-19 Vaccines: What we Know from the Literature and Reports (preprint)
medrxiv; 2021.
Preprint
in English
| medRxiv | ID: ppzbmed-10.1101.2021.05.20.21257461
ABSTRACT
In this report, we provide summary estimates, from publications and reports, of vaccine efficacy (VE) for the COVID-19 vaccines that are being rolled out on a global scale. We find that, on average, the efficacy against any disease with infection is 85% (95% CI 71 - 93%) after a full course of vaccination. The VE against severe disease, hospitalization or death averages close to 100%. The average VE against infection, regardless of symptoms, is 84% (95% CI 70 - 91%). We also find that the average VE against transmission to others for Infected vaccinated people is 54% (95% CI 38 - 66%). Finally, we prove summary estimates of the VE against any disease with infection for some of the variants of concern (VOC). The average VE for the VOC B.1.1.7, B.1.1.28 (P1) and B.1.351 are 86% (95% CI 65 - 84%), 61% (95% CI 43 - 73%) and 56% (95% CI 29 - 73%), respectively.
Full text:
Available
Collection:
Preprints
Database:
medRxiv
Main subject:
Death
/
COVID-19
Language:
English
Year:
2021
Document Type:
Preprint
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