Fig. 3From: Mechanism and treatment of olfactory dysfunction caused by coronavirus disease 2019Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) damages olfactory sensory neurons (OSNs). a Supporting cells affect OSN functions through tight junctions. b SARS-CoV-2 enters and damages OSNs. c Amplification of inflammatory factors leads to OSN impairmentBack to article page