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Table 2 Estimated seasonal incidence of ILI cases in pediatric and total population from 2010/2011 to 2020/2021 (data source: InfluNet – National Italian Institute of Health)

From: Influenza vaccination coverage in pediatric population in Italy: an analysis of recent trends

Seasons 0–4 years 5–14 years Total population
Cases Cumulative incidence per 1000 Cases Cumulative incidence per 1000 N. cases Cumulative incidence per 1000
2010/2011 706,000 25.1 1,106,863 19.7 5,871,936 9.8
2011/2012 618,979 22.1 717,792 12.7 4,948,074 8.2
2012/2013 703,156 25.5 1,049,457 18.7 6,072,854 10.1
2013/2014 561,252 20.6 671,322 11.8 4,635,259 7.7
2014/2015 656,545 24.5 966,924 16.9 6,300,683 10.4
2015/2016 585,098 22.5 930,605 16.3 4,989,719 8.2
2016/2017 555,761 22.0 719,671 12.6 5,438,485 9.0
2017/2018 915,245 37.4 1,163,306 20.7 8,604,314 14.3
2018/2019 859,487 36.3 1,071,916 19.3 8,020,797 13.4
2019/2020 725,557 31.6 1,088,897 19.8 7,509,361 12.6
2020/2021 165,297 7.4 190,696 3.5 2,400,842 4.0