check out this article from a link by CtC upthread:
https://12ft.io/proxy?ref=&q=https://www.theepochtimes.com/taiwanese-study-finds-a-chinese-herb-stops-coronavirus-from-penetrating-cells-and-works-against-mutant-variants_4732064.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9353385/