In December 2019, a new coronavirus causing severe acute respiratory syndrome was described in Wuhan, China. This virus, later named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), spread worldwide and has been designated a pandemic by the World Health Organization.~By the beginning of March 2020, several Ear, Nose, Throat societies raised awareness of a frequent association between coronavirus disease 2019 (COVID-19) and smell disorders.~In the present study, the investigators wish to begin to understand the pathogenesis of olfactory dysfunction in COVID-19.
We aim to understand the mechanism of olfactory dysfunction in COVID-19.