Table 3. Overall and Age-Specific Case Fatality Rate per 100,000 symptomatic cases and per 100,000 infections (Week 35 of 2009 to Week 6 of 2010).

Age group	Cumulative numberof symptomatic cases/infectionsa	Number of 2009 pandemic influenza A(H1N1) deaths	CFR(95% CI)(per 100,000 symptomatic cases)	CFR(95% CI)(per 100,000 infections)
0–4 years	62,357/173,213	1	1.60	0.58
			(0.04–8.93)	(0.01–0.32)
5–19 years	414,362/1,151,005	7	1.69	0.61
			(0.68–3.48)	(0.25–1.25)
20–29 years	101,695/282,485	11	10.8	3.89
			(5.40–19.4)	(1.94–6.97)
30–49 years	101,772/282,700	34	33.4	12.03
			(23.1–46.7)	(8.33–16.81)
50–64 years	52,064/144,623	40	76.8	27.66
			(54.9–104.6)	(19.76–37.66)
65+ years	11,835/32,876	37	312.6	112.54
			(220.2–430.7)	(79.25–155.09)
Greek population	744,085/2,066,902	130	17.5	6.29
			(14.6–20.8)	(5.25–7.47)

^aCases up to week 4/2010 – deaths up to week 6/2010. Symptomatic cases were obtained based on ILI-38 definition (ILI-38: fever >38°C and cough or sore throat).