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. 2022:2452:3-18.
doi: 10.1007/978-1-0716-2111-0_1.

Evolution and Epidemiology of SARS-CoV-2 Virus

Affiliations

Evolution and Epidemiology of SARS-CoV-2 Virus

Yu-Nong Gong et al. Methods Mol Biol. 2022.

Abstract

A novel coronavirus (CoV) that emerged in Wuhan, Hubei province in China, in December 2019, has rapidly spread worldwide. Named as the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), this virus has been responsible for infecting about 153 million people and causing 3 million deaths by May 2021. There is obvious interest in gaining novel insights into the epidemiologic evolution of this virus; however, inappropriate application and interpretation of genomic and phylogenetic analyses has led to dangerous outcomes and misunderstandings. This chapter focuses on not only introducing this virus, its genomic characteristics and molecular mechanisms but also describing the application and interpretation of phylogenetic tree analyses, in order to provide useful information to better understand the evolution and epidemiology of this virus. In addition, recombinant region and genetic ancestry of SARS-CoV-2 remain unknown. It is urgently required to collect samples and obtain related viral genetic data from animal sources for identifying the intermediate host of SARS-CoV-2 that is responsible for its cross-species transmission.

Keywords: Coronavirus; Epidemiology; Evolution; Phylogenetic tree; Recombination; SARS-CoV-2.

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