Healthcare resource utilization and cost burden of COVID-19 according to vaccination status in adults in Ontario, Canada, 2021–2023. - McDonald, Chloe; Grajales, Ana Gabriela; Yahia, Nassim Ait; Fisman, David; Wang, Irene-Yanran; Nightingale, Natalie; Neish, Calum S.; Nair, Saranya; Mustapha, Mustapha; Yang, Jingyan (PLoS ONE, 2026)