Figure 2.

Quantitative and qualitative alterations in taste and smell of all 44 participants over the course of the study. Data on chemosensory dysfunction during the disease were collected in retrospectively, whereas information concerning 100 and 244 days were collected prospectively. (a) Development of quantitative and qualitative alterations of taste and smell of each participant. Each slice symbolizes one participant and the respective alteration of taste and smell during COVID-19 infection, as well as 100 and 244 days later. (b) Absolute frequencies and distribution of alterations in taste and smell over the course of study.