Hydroxychloroquine and Chloroquine for Covid-19: Large Observational Analysis Finds No Benefit and Possible Harm

Hydroxychloroquine or chloroquine with or without a macrolide for treatment of COVID-19: a multinational registry analysis – The Lancet

Commentaries: Chloroquine or hydroxychloroquine for COVID-19: why might they be hazardous? – The Lancet AND What a big new study on malaria drugs as Covid-19 treatments tells us — and what it doesn’t – STAT AND Hydroxychloroquine May Cause More Harm Than Benefit To COVID-19 Patients, Says New Lancet Study – Health Policy Watch