Figure 1.

Bivariate associations between Google search terms and influenza-like illness incidence in the training dataset, Netherlands, weeks 33/2013–30/2017 (n = 20 search terms)

ILI: influenza-like illness; SD: standard deviation.

Provided are the Pearson correlation coefficients (r) and locally-estimated scatterplot smoothing (LOESS) curves fitted to data points of the initial training period (weeks 33/2013 to 30/2017). Search terms in Dutch can be found in the Table.