Figure 2.

Reported COVID-19 symptoms by variant in the North Carolina COVID-19 Community Research Partnership, North Carolina, USA. A) Proportion of symptomatic persons reporting symptoms; we defined a symptomatic episode as the presence of any new symptoms in the 14-day window, where new means not occurring in the 7 days preceding the first observation of the symptom within the window. B) Odds ratio of reporting a symptom by variant wave using Delta as the baseline. C) Average length of participant-reported symptom duration in a symptomatic infection. D) Difference in symptom duration from Delta-period infections. Error bars represent 95% CI.