Fig. 4From: Results from the centers for disease control and prevention’s predict the 2013–2014 Influenza Season ChallengeForecasted duration of the 2013–2014 influenza season, by forecast date, United States (n = 13). Forecasts presented here are from teams that successfully completed the CDC Predict the 2013–2014 Influenza Season Challenge. The duration was defined as the number of weeks that the ILINet percentage remained above the national baselineBack to article page