Table 2.

Crude incidence rates of Shigella by site and age group in Santa Rosa and Quetzaltenango Departments, Guatemala, 2008–2012

	Santa Rosa		Quetzaltenango b
	Number of Cases	Crude Incidence Rate per 100,000 Population (95% CI)a	Number of Cases	Crude Incidence Rate per 100,000 Population (95% CI)a
Overall	231	15.1 (13.2, 17.1)	23	1.2 (0.76, 1.79)
2008
<  5 years	34	91.9 (63.7, 128.4)
All ages	52	21.1 (15.8, 27.7)
2009
<  5 years	32	85.6 (58.5, 120.8)	0	0.0 (0.0, 7.5)
All ages	54	21.5 (16.2, 28.1)	1	0.3 (0.008, 1.7)
2010
<  5 years	26	68.8 (45.0, 100.8)	1	1.8 (0.05, 10.0)
All ages	46	18.0 (13.2, 24.0)	2	0.5 (0.07, 2.0)
2011
<  5 years	20	52.3 (32.0, 80.8)	3	5.3 (1.1, 15.5)
All ages	36	13.8 (9.7, 19.1)	4	1.1 (0.29, 2.7)
2012 c
<  5 years	18	69.7 (41.3, 110.1)	12	31.1 (16.1, 54.4)
All ages	43	24.1 (17.5, 32.5)	16	6.2 (3.5, 10.0)

^a95% CI represents Upper Limit (UL), Lower Limit (LL)

^bSurveillance in Quetzaltenango began in 2009

^cRates account for partial year through August 31