Table 3. Pathogens responsible for blood stream infections according to age group^*.

Pathogen†	Isolates	Age Groups (Total patients = 1084)				Median age (IQR)‡
		2 - <6 mo (n = 20)	6 mo - <1 yr (n = 77)	1 - <5 yr (n = 503)	5–14 yr (n = 484)
Gram-positive
Streptococcus pneumoniae	6 (4)	0	0	4 (9)	2 (2)	41 (31–67)
Gram-negative
Salmonella enterica serotype Typhi	107 (73)	0	1 (33)	35 (74)	71 (73)	76 (45–118)
Salmonella enterica serotype Paratyphi A	30 (20)	0	0	6 (13)	24 (25)	117 (71–139)
Salmonella enterica serotype Typhimurium	2 (1)	0	1 (33)	1 (2)	0	16 (12–19)
Haemophilus influenzae type b	1 (1)	0	0	1 (2)	0	32
Escherichia coli	1 (1)	0	1 (33)	0	0	10
Total bacterial isolates by blood culture	147 (100)	0	3	47	97	79 (45–121)
Rickettsia (PCR)
Rickettsia typhi	22	1	1	6	14	78 (30–112)
Total microbiological diagnosis	169††	1	4	53	111	78 (44–121)

^*Data are no. (%) or no. unless stated otherwise. Percents shown for column totals only for bacterial isolates by blood culture.

^†Pathogens isolated by blood culture unless indicated otherwise.

^‡Median age in months.

^††4 patients with S. Typhi and 1 patient with S. Paratyphi A were PCR positive for R. typhi.