• Suliman Khan, Rabeea Siddique, Muhammad Adnan Shereen, Ashaq Ali, Jianbo Liu, Qian Bai, Nadia Bashir, and Mengzhou Xue.
• Department of Cerebrovascular Diseases, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China Suliman.khan18@mails.ucas.ac.cn xuemengzhou@zzu.edu.cn.
• J. Clin. Microbiol. 2020 Apr 23; 58 (5).

AbstractThe new decade of the 21st century (2020) started with the emergence of a novel coronavirus known as SARS-CoV-2 that caused an epidemic of coronavirus disease (COVID-19) in Wuhan, China. It is the third highly pathogenic and transmissible coronavirus after severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV) emerged in humans. The source of origin, transmission to humans, and mechanisms associated with the pathogenicity of SARS-CoV-2 are not yet clear, however, its resemblance to SARS-CoV and several other bat coronaviruses was recently confirmed through genome sequencing-related studies. The development of therapeutic strategies is necessary in order to prevent further epidemics and cure infections. In this review, we summarize current information about the emergence, origin, diversity, and epidemiology of three pathogenic coronaviruses with a specific focus on the current outbreak in Wuhan, China. Furthermore, we discuss the clinical features and potential therapeutic options that may be effective against SARS-CoV-2.Copyright © 2020 American Society for Microbiology.

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