"Hydroxychloroquine: how an unproven drug became Trump’s coronavirus 'miracle cure' "
An excellent and detailed article on The Guardian, explaining about the initial French small scale study of the application of Hydroxychloroquinone, an anti malarial drug, for Covid-19 patients.
Worth mentioning the in Brazil, copycat president Jair Bolsonaro is also pushing hard for this drug -- to the point of almost firing his Health Minister early this week over his resistance to wholesale usage of an untested treatment like this.