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. 2016 Mar;57(1):E34–E40.

Tab. VII.

Impact of the introduction of a QIV in Italy on influenza cases: base-case results.

Current scenario New or alternative scenario Δ (avoided cases with new scenario)
Subjects covered by vaccination 9,539.315 9,539.315
With TIVs 9,539.315 8,680.777
With QIV 0 858,538
Influenza events without complications in immunized subjects 255,703 254,102 -1,601
Influenza events with complications in immunized subjects 166,596 165,565 -1,031
Bronchitis in immunized subjects 69,924 69,491 -433
Pneumonia in immunized subjects 6,351 6,312 -39
Upper respiratory tract infections (URTI) in immunized subjects 74,944 74,481 -464
Other complications not related to respiratory tract in immunized subjects 15,377 15,282 -95
Hospitalization in immunized subjects 16,073 15,973 -100