RIO DE JANEIRO, BRAZIL - Scientists from all over the world are racing against the clock for a cure and a vaccine for the novel coronavirus. For now, nothing definitive on the front but experimental therapies, some of them considered promising, but still lacking sufficient studies to be considered for general recommendation.
Among them is the use of chloroquine or hydroxychloroquine, drugs to fight malaria, arthritis and lupus, in patients with Covid-19. In Brazil -and in the US- the topic is not only scientific: it has fostered a political clash and become a weapon in the "cultural war" of both . . .