Prevalence of long-lasting loss of smell and taste after coronavirus disease 2019 infection in Saudi Arabia.

Background: People with coronavirus disease 2019 (COVID-19) who experience symptoms for more than 35 weeks are said to have long COVID. Anosmia can occur on its own or in combination with other COVID-19 symptoms. Anosmia may be a significant differential presentation for the suspicion and diagnosis of COVID-19 in patients with asymptomatic-to-mild COVID-19 disease and may disappear in 3 weeks.