Characterization of a New Member of Alphacoronavirus with ...
Apr 24, 2019· 1. Introduction. Members of the Coronaviridae family are enveloped, non-segmented, positive-strand RNA viruses with genome sizes ranging from 26–32 kb [].These viruses are classified into two subfamilies: Letovirinae, which contains the only genus: Alphaletovirus; and Orthocoronavirinae (CoV), which consists of alpha, beta, gamma, and deltacoronaviruses (CoVs) [2,3].