Abstract
During late 2019, the first cases of the Coronavirus disease-2019 (COVID-19) were observed in a Seafood Market in Wuhan. As the first cases took place in a seafood market that consumed live animals, it has been identified as a zoonotic disease. Some reports suggested snakes were the animal host, while others reported bat and pangolin were the sources of infection because coronavirus-origin of these two animals had similar genomic sequences to COVID-19. The common diagnosis method for detection COVID-19 was according to clinical manifestation, epidemiological histories, and ancillary tests, like CT scan, nucleic acid detection, immune identification technology, blood culture, Radiology, and enzyme-linked immunosorbent assay (ELISA). This review presented a perspective about current knowledge about COVID-19 in different aspects including probable zoonotic origins, and Coronaviruses classification was discussed in this context. In addition, epidemiology, clinical signs, treatment, and management strategies for controlling COVID-19 were also highlighted.
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