<i>Alliaceae</i>-Derived Supplementation Improves the Severity of COVID-19 Symptoms among Elderly Nursing Home Residents oleh Alberto Vázquez-Blanquiño, Lucía Pérez-Rodríguez, Ana Alberola-Romano, María Martínez-Pérez, Alberto Baños, Germán O. Gómez-Fernández, Carlos Gracián, Juristo Fonollá, Federico García