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Table 3 Median forecasted start week, peak week, peak percentage, and duration of the 2013–14 influenza season, by forecast date, United States (n = 13)

From: Results from the centers for disease control and prevention’s predict the 2013–2014 Influenza Season Challenge

Date of forecast (Week of ILINet data availabilitya,b) Median forecasted start weekb Median forecasted peak weekb Median forecasted peak percentage Median forecasted duration of influenza season
12/2/2013 (WK. 46) 50 5 3.5 13
12/19/2013 (WK. 49) 49 3 4.5 14
1/2/2014 (WK. 51) 48 3 4.5 15
1/16/2014 (WK.1) 48 2 4.9 14
1/30/2014 (WK. 3) 48 52 4.6 14
2/13/2014 (WK. 5) 48 52 4.6 13
2/27/2014 (WK. 7) 48 52 4.6 13
3/13/2014 (WK. 9) 48 52 4.6 14
3/27/2014 (WK. 11) 48 52 4.6 14
  1. Legend: Forecasts presented here are from the 9 teams that successfully completed the CDC Predict the 2013–2014 Influenza Season Challenge
  2. aILINet data are based on a reporting week that starts on Sunday and ends on Saturday of each week, and data are reported out through the FluView surveillance report the following Friday. Therefore, the most current ILINet data can lag the calendar date by 1–2 weeks
  3. bWeeks are given in Morbidity and Mortality Weekly Report surveillance weeks. For calendar start and end dates of each week, please see http://wwwn.cdc.gov/nndss/script/downloads.aspx