This is really a question of law, not fact. This quote neatly summarizes the whole issue and all ways of thinking about it. The Dallas Morning News - CORONAVIRUSJudge to rule on mask issue https://edition.pagesuite.com/popovers/dynamic_article_popover.aspx?artguid=f21e35c2-ded8-4a01-be68-fda99297275e