Mortality rate for influenza-like-illness peaking at 10.8% during the week ending January 20, 2018 (English)

[In US] During the 2017-2018 season, influenza-like-illness (ILI) activity began to increase in November, reaching an extended period of high activity during January and February nationally, and remained elevated through the end of March. ILI peaked at 7.5%, the highest percentage since the 2009 flu pandemic, which peaked at 7.7%. Influenza-like illness (ILI) was at or above the national baseline for 19 weeks, making the 2017-2018 season one of the longest in recent years.

...Nationally, mortality attributed to P&I [pneumonia and influenza] exceeded 10.0% for four consecutive weeks, peaking at 10.8% during the week ending January 20, 2018...

https://www.cdc.gov/flu/about/season/flu-season-2017-2018.htm