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Detail structure of coronavirus (a). Transmission of SARS-CoV-2 through respiratory droplets / aerosols (b). The entry of SARS-CoV-2 into the host target cells is initiated by binding Spike glycoproteins with angiotensin-converting enzyme-2 (ACE2) and also utilize serine protease for spike protein priming (c and d). Interaction of RBD with ACE2 (d). Oral Manifestations of SARS-CoV-2 (all or none can occur separately or concurrently) (e). The illustration is made Biorender.com
