Japan and Korea have had experiences with SARS-CoV-1 back in the day. Therefore, using face masks in everyday life is ingrained in their culture by now. It would certainly be interesting to see data points from an alternate reality where the US population was consistent about wearing face masks in public.
I don't need to name them all, my post made a general statement that may or may not be true but certainly would apply to all countries with access to international news.
