By Dr. Liji Thomas, MDReviewed by Danielle Ellis, B.Sc. The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in December 2019 to cause more than 200 million documented infections and five million deaths. Among the earliest and most characteristic symptoms is olfactory dysfunction due to involvement of the olfactory epithelium (OE). A new preprint shows the...
