唯一的有力證據是Didier Raoult發表的“Hydroxychloroquine and azithromycin as a treatment of Covid-19: results of an open-label non-randomized clinical trial” 但這篇已經被期刊撤回了.
Nature這週也提到 NATURE BRIEFING 06 APRIL 2020 Daily briefing: The evidence is not stacking up for hydroxychloroquine as a treatment for COVID-19