Iyo raporo y'ubushakashatsi igira iti: "Amagerageza manini, amara igihe kirekire arimo no kugereranya 'placebo', ndetse n'ukundi kugenzura biracyenewe kugira ngo hagaragare ko nta kibazo ruteza mu gihe kirekire kandi ko ari ingirakamaro mu kurinda ubwandu bwa Covid-19".
