<style face="normal" font="default" size="100%">COVID-19 vaccine effectiveness against hospitalisation and death using electronic health records in eight European countries in the VEBIS monitoring network - October 2023 to April 2024</style>

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<style face="normal" font="default" size="100%">COVID-19 vaccine effectiveness against hospitalisation and death using electronic health records in eight European countries in the VEBIS monitoring network - October 2023 to April 2024</style>