To determine if Fisetin treatment can prevent deterioration of oxygenation status as measured by S/F ratio: SpO2/ FiO2, as well as prevent deterioration in physical function (frailty) and hyper-inflammation, other measures of oxygenation status (progression to supplemental oxygen requirement,
This is a Phase I/II randomized, double-blind, placebo-controlled clinical trial that will be conducted at The Steadman Clinic (TSC) and Steadman Philippon Research Institute (SPRI). The purpose of this study is to evaluate the clinical efficacy of Fisetin (FIS), a dietary supplement, in symptomatic