🔊 सुनें In the  paper below published on May 22, 2020, investigators concluded that they were unable to confirm a benefit of hydroxychloroquine or chloroquine, when used alone or with a macrolide, on in-hospital outcomes for COVID-19. Each of these drug regimens was associated with decreased in-hospital survival and an increased frequency of ventricular arrhythmias … Continue reading Hydroxychloroquine : WHY Lancet study retracted