Do you believe in coincidences?
Study from 2007 found that Bismuth Complexes Inhibit the SARS Coronavirus.
Among those:ranitidine bismuth citrate (RBC),
the same popular heartburn drug that was pulled off the shelves just recently over "potential cancer risk"!!!
Now, isn't that interesting?
http://hub.hku.hk/handle/10722/147565
https://europepmc.org/article/med/17957304
https://onlinelibrary.wiley.com/doi/full/10.1002/anie.200701021
https://www.wired.com/story/the-fda-announces-two-more-antacid-recalls-due-to-cancer-risk/
https://www.washingtonpost.com/health/2019/09/30/drugstores-are-pulling-zantac-like-heartburn-drugs-off-shelves-over-potential-cancer-risk/