Patients with a definite diagnosis of Covid-19 who have reported an olfactory disorder (Anosmia) and the disorder has no improvement in their olfactory disorder within one month of the course of the disease.

Patients with a definite diagnosis of Covid-19 who have reported an olfactory disorder (Anosmia) and the disorder has no improvement in their olfactory disorder within one month of the course of the disease.