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COVID-19 vaccine effectiveness against symptomatic infection and hospitalisation in Belgium, July 2021 to May 2022.

only.ConclusionWe report waning and a significant decrease in VE i and VE h from Delta to Omicron-dominant periods. Booster vaccination and prior infection attenuated these effects. Health Topics:  Effectiveness and ...

Investigating COVID-19 Vaccine Impact on the Risk of Hospitalisation through the Analysis of National Surveillance Data Collected in Belgium.

status. For each period, vaccination status, and age group, we estimated risk ratios (RR) corresponding to the ratio between the probability of being hospitalised following SARS-CoV-2 infection if belonging ...

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