Optical isomers of quinoline alkaloids are doing the job.

Now, when you source up to the real deal : the quinine-tea infusion, the spectrum of action is much wider in the array of results and antagonism offered to covid -19

Link: https://www.uticaphoenix.net/2020/08/02/french-doctor-cures-100-of-covid-19-infected-patients-using-two-generic-drugs/

Hydroxychloroquine and azithromycin as a treatment of COVID-19