The rise of evident syntheses has been an invisible and gentle revolution, says jeremy grimshaw. It was hype based medicine fueled by former us President donald trump who announced last may that he had started taking the drug himself. Hydroxy chloraquin was the most tested drug, according to a data base of two thousand 900 covet 19 clinical trials called covet n m a. Many are still under way, despite convincing evidence that the drug doesn't help.