Tab. II.

Distribution of confirmed severe cases, by influenza virus, Italy, 2010/2011 – 2014/2015.

Season	A/H1N1v	A/H3N2	A/non sub-typed	B	Total
2010/2011	517	0	11	10	538
2011/2012	7	33	1	1	42
2012/2013	143	8	7	61	219
2013/2014	61	23	7	1	92
2014/2015	494	87	44	29	654
Total	1,222	151	70	102	1,545