Table 1.

Pages and shifts for the most successful models for each influenza season at the national level.

Pages used in model	Season	Shift	r2	Root mean square error	Normalized root mean square error
FluView, Symptoms, and Treatment	2012-2013	None	0.912	0.423	0.070
Symptoms	2015-2016	None	0.892	0.213	0.060
FluView	2013-2014	None	0.802	0.510	0.111
Antivirals and Prevention	2014-2015	None	0.778	0.615	0.103