Fig. 1: Characterization of 12,020 participants.
From: An olfactory self-test effectively screens for COVID-19
a Histogram of age and gender distribution of participants. b Histogram of number of participants and their COVID-19 status from the ten highest-participation countries (see comment on India in “Methods” section). c Map of geographical distribution of respondents, each dot is a participant, overlapping dots not shown to maintain clarity. d Pie chart of the distribution of C19+, C19−, and C19-UD in the sample. e Histogram of the distribution of number of somatic symptoms reported by participants. f Histogram of the distribution of number of submissions per participant.
