Background Since the outbreak of COVID-19 pandemic, the world began a frantic search for possible prophylactic options. While trials on hydroxychloroquine (HCQ) prophylaxis are ongoing, concrete evidence is lacking. The study aimed to determine the relative efficacy of various doses of oral HCQ in prophylaxis and mitigating the severity of COVID-19 in healthcare workers.

中文翻译：

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低剂量羟氯喹预防 COVID-19——一项前瞻性研究

背景自 COVID-19 大流行爆发以来，世界开始疯狂寻找可能的预防选择。虽然正在进行羟氯喹 (HCQ) 预防试验，但缺乏具体证据。该研究旨在确定不同剂量的口服 HCQ 在预防和减轻医护人员 COVID-19 严重程度方面的相对功效。