Patients who complain of anosmia or hyposmia after SARS-CoV-2 infection less than 3 months after symptom onset, convalescing from her COVID-19 disease, with onset of disease symptoms for at least 4 weeks, Patients who underwent RT-PCR test at symptom onset, with detection of SARS-CoV-2, Patients who can give valid written informed consent, Patients motivated to participate in the study, Adult patients aged 18-60 years.

Patients who complain of anosmia or hyposmia after SARS-CoV-2 infection less than 3 months after symptom onset, convalescing from her COVID-19 disease, with onset of disease symptoms for at least 4 weeks, Patients who underwent RT-PCR test at symptom onset, with detection of SARS-CoV-2, Patients who can give valid written informed consent, Patients motivated to participate in the study, Adult patients aged 18-60 years.