Recently, the manuscript entitled  „ Association between COVID-19 vaccination and progression to severe outcomes in hospitalized COVID-19 patients in Hungary during the pre-Omicron era of the COVID-19 pandemic ” was published in the international journal of Virus Research, co-authored by Professor Veronika Müller. The research examined data on patients hospitalized due to COVID-19 infection between March 2020 and December 2021 and described that both the first and booster vaccinations reduced the risk of mortality, intensive care unit care, … Bővebben: New study on the massive effectiveness of COVID-19 vaccines