Effect of COVID-19 Vaccination Campaign in Belgian Nursing Homes on COVID-19 Cases, Hospital Admissions, and Deaths among Residents, Dequeker, Sara, Callies Milena, Vernemmen Catharina, Latour Katrien, Int Panis Laura, Mahieu Romain, Noppe Lennert, Savsin Muhammet, and Duysburgh Els , Viruses, Jan-07-2022, Volume 14, Issue 7, (2022)