Since December 2019, the world is increasingly facing an unprecedented challenge by coronavirus disease 2019 (COVID-19) caused by a virus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which is structurally related to the human severe acute respiratory syndrome CoV (SARS-CoV) and Middle East respiratory syndrome CoV (MERS-CoV) (Zhu et al., 2020). The World Health Organization (WHO) has declared COVID-19 a pandemic and is calling for forceful action from all countries, as the number of infected patients and the number of deaths are increasing daily, causing catastrophic consequence to the daily life, economy, and society.

中文翻译：

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与氯喹抗击COVID-19。

自2019年12月以来，世界正面临着由冠状病毒2（SARS-CoV-2）病毒引起的冠状病毒疾病2019（COVID-19）前所未有的挑战，冠状病毒2（SARS-CoV-2）与人类严重急性呼吸道疾病在结构上相关综合征CoV（SARS-CoV）和中东呼吸综合征CoV（MERS-CoV）（Zhu et al。，2020）。世界卫生组织（WHO）已宣布COVID-19成为大流行病，并呼吁所有国家采取有力行动，因为受感染的患者人数和死亡人数每天都在增加，给日常生活，经济和社会造成灾难性后果社会。