The Hyperlipidaemic Drug Fenofibrate Significantly Reduces Infection by SARS-CoV-2 in Cell Culture Models
https://www.frontiersin.org/articles/10.3389/fphar.2021.660490/full
Cholesterol 25-Hydroxylase inhibits SARS-CoV-2 and other coronaviruses by depleting membrane cholesterol
https://www.embopress.org/doi/full/10.15252/embj.2020106057
Yes, secondarily because you need it when the mask restricts oxygen