Journal
EUROSURVEILLANCE
Volume 26, Issue 28, Pages -Publisher
EUR CENTRE DIS PREVENTION & CONTROL
DOI: 10.2807/1560-7917.ES.2021.26.28.2100563
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Vaccination is highly effective in preventing symptomatic and asymptomatic COVID-19 infections in fully vaccinated individuals, with efficacy rates ranging from 80-90% in almost all studies. Fully vaccinated persons are less likely to become infected and contribute to virus transmission.
Evidence on COVID-19 vaccine efficacy/effectiveness (VE) in preventing asymptomatic SARS-CoV-2 infections is needed to guide public health recommendations for vaccinated people. We report interim results of a living systematic review. We identified a total of 30 studies that investigated VE against symptomatic and/ or asymptomatic infection. In fully vaccinated individuals, VE against symptomatic and asymptomatic infections was 80-90% in nearly all studies. Fully vaccinated persons are less likely to become infected and contribute to transmission.
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