Retronasal olfactory testing in early diagnosed and suspected COVID-19 patients: a 7-week follow-up study

ConclusionThe current investigation revealed significant improvements in subjective smell and flavour perception over the course of 7 weeks in proven and suspected COVID-19 patients suffering from acute OD. However, objectively measured ROF based on a screening test revealed no improvements within the same time period.
Source: European Archives of Oto-Rhino-Laryngology - Category: ENT & OMF Source Type: research