Scientists at the Hebrew University of Jerusalem and at Mount Sinai in New York, have prevented Covid-19 from reproducing. In lab tests, the virus was destroyed in 5 days on lung tissue that had been exposed to the anti-cholesterol treatment Fenofibrate (Tricor).

https://www.timesofisrael.com/existing-drug-may-downgrade-covid-threat-to-common-cold-level-jerusalem-study/

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3650499