Covid19 Unknown Spread in Seoul What's the trend of untracked Covid19 patients in Seoul? Visualizing Seoul's untracked Covid19 patients out of daily confirmed cases. Data Collection Reference Data analysis reference Tracked Patients dataset: Seoul's Covid19 status board Daily Trends of confirmed cases in Seoul Total Confirmed Cases vs Untracked Confirmed cases Tracking where the patient caught Covid19 from Proportion of Untracked Confirmed Cases