AdvertisementBrazil's Main COVID Strategy Is A Cocktail Of Unproven DrugsJune 15, 2021Kiratiana FreelonShanna HanburyfacebookEmailBrazilian President Jair Bolsonaro holds up a box of chloroquine, an antimalarial medicine that his administration endorsed as part of an "early treatment" strategy for COVID-19. There is no evidence the drug can prevent the coronavirus or reduce the severity of symptoms. (Getty Images)