severe acute respiratory syndrome coronavirus-2 (sars-cov-2): an update.coronaviruses (covs) belong to the family of coronaviridae, the order nidovirales, and the genus coronavirus. they are the largest group of viruses causing respiratory and gastrointestinal infections. morphologically, covs are enveloped viruses containing a non-segmented positive-sense, single-stranded ribonucleic acid (rna) viruses. covs are categorized into four important genera that include alphacoronavirus, betacoronavirus, gammacoronavirus, and deltacoronavirus. a novel member of human cov ...202032337143
genetic evolution analysis of 2019 novel coronavirus and coronavirus from other species.the corona virus disease 2019 (covid-19) caused by severe acute respiratory syndrome coronavirus 2 (sars-cov-2) is a public health emergency of international concern. however, so far, there are still controversies about the source of the virus and its intermediate host. here, we found the novel coronavirus was closely related to coronaviruses derived from five wild animals, including paguma larvata, paradoxurus hermaphroditus, civet, aselliscus stoliczkanus and rhinolophus sinicus, and was in th ...202032169673
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