Fig. 2From: Comparison of crowd-sourced, electronic health records based, and traditional health-care based influenza-tracking systems at multiple spatial resolutions in the United States of AmericaPercent ILI for CDC ILINet (black), EHR (blue), crowd-sourced FNY (red), and BPHC (purple) as well as number of viral specimens (green) as a function of time for National, Region 1, Massachusetts, and Greater Boston spatial resolutionsBack to article page