Viruses published a study by Seyler and colleagues on changes in the profile of hospitalised COVID-19 patients in the Brussels University Hospital (UZ Brussel) between March 2020 and February 2022. 1326 patient health records were investigated. The results show clear differences in the patients’ profile across the four variant waves in Belgium. During the Alpha and Delta waves, COVID-19 hospitalised patients were younger compared to the other waves. During the Omicron wave, COVID-19 hospitalised patients were frailer compared to the other waves. Also during the Omicron wave, unvaccinated patients made up a large proportion of COVID-19 hospitalised patients (35.6%).

The full article is available via: https://www.mdpi.com/1999-4915/15/3/618