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Overview of coronavirus cell-entry mechanisms. (A) Members of the α- and β-coronavirus genera and their major associated cellular receptors. (B) Model of coronavirus receptor-mediated membrane-fusion mechanism between viral and cellular membranes. Adapted from ref (72). Copyright 2018 Xia et al. http://creativecommons.org/licenses/by/4.0/. (C) Endocytosis (a) and membrane fusion (b) pathways of coronavirus cell entry. Created with BioRender.
