Fig. 3From: 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 AmericaCorrelation between bootstrapped samples of crowd-sourced (FNY) estimated percent ILI and observed percent ILI, as reported by the CDC ILINet (red) and the number of viral-positive specimens (green) at the national resolution (a) with 95% Confidence Intervals (CI) and the regional resolution (b) for the 2015–16 influenza seasonBack to article page