Table 1. Causes of bloodstream infection by rank order, Kilimanjaro Region, Tanzania 2007–2018.

Study period	Rank Order	Pathogen	Number of Isolates	(%)
2007–2008
	1	Salmonella enterica serovar Typhi	32	(23.0)
	2	Streptococcus pneumoniae	14	(10.1)
	3	Escherichia coli	11	(7.9)
		Total Isolates	139
2012–2014
	1	Escherichia coli	19	(16.8)
	2	Salmonella enterica serovar Typhi	15	(13.3)
	3	Streptococcus pneumoniae	7	(6.2)
		Total Isolates	113
2016–2018
	1	Escherichia coli	11	(13.9)
	2	Staphylococcus aureus	7	(8.9)
	3	Salmonella enterica serovar Typhi*	3	(3.8)
		Total Isolates	79
Overall
	1	Salmonella enterica serovar Typhi	50	(15.1)
	2	Escherichia coli	41	(12.4)
	3	Streptococcus pneumoniae	24	(7.3)
		Total Isolates	331

*Three-way tie for third most common isolated pathogen in the 2016–2018 period. The other two isolates were Streptococcus pneumoniae and Cryptococcus neoformans.